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TTC

The (TTC) is a statutory public agency established under the City of Toronto Act, 2006, that operates the majority of bus, streetcar, subway, and services within the city of , , . Incorporated in 1920 and commencing operations on September 1, 1921, the TTC consolidated fragmented private streetcar lines into a unified system, marking a pivotal shift toward centralized public transit management amid rapid urban growth. Over its century-plus history, the TTC has expanded to include Canada's inaugural subway line, the Yonge-University route, which opened in 1954 and revolutionized commuter access in a growing metropolis. The agency now maintains a fleet supporting over 1.7 million daily riders, with a 2025 operating budget of $2.38 billion dedicated to conventional and accessible services, including recent investments in new vehicles such as 82 Toronto Rocket subway trains, 204 low-floor streetcars, and more than 1,800 buses since 2000. Governed by a board of elected officials and citizens, the TTC prioritizes reliability and safety, though it has faced persistent challenges including service delays from aging infrastructure, repair backlogs, and bunching on high-volume routes, exacerbated by provincial funding cuts in the 1990s and early 2000s. Notable achievements include the TTC's role in powering Toronto's economic expansion through efficient mass transit, achieving over 31 billion cumulative passenger trips and maintaining status as North America's busiest urban system by ridership volume. Controversies have centered on operational inefficiencies, such as slow zones and signal failures, alongside public dissatisfaction with fare hikes amid perceived underperformance, prompting 2025 initiatives like fare freezes and enhanced supervisor deployments on priority routes to address reliability gaps. Despite these issues, the TTC continues modernization efforts under its , incorporating rider feedback for route optimizations and expansions to accommodate projected population growth.

Transportation and Infrastructure

Toronto Transit Commission

The (TTC) is the municipal public transit agency serving , , and parts of York Region, operating as Canada's largest urban transit system by ridership and fleet size. Established on September 1, 1921, as the Toronto Transportation Commission through the merger of private street railway operators including the Toronto Railway Company, it assumed public control to unify and modernize fragmented horse-drawn and electric streetcar services previously plagued by inconsistent expansion and maintenance. The agency provides subway, streetcar, bus, and Wheel-Trans services, with a network comprising , , and subways (following the 2023 closure of RT); 11 streetcar routes; over 150 bus routes; and accessible van services reaching approximately 1.2 million weekday riders as of 2025. Key expansions include the 8-kilometer Line 1 extension northward from to Metropolitan Centre, which opened on December 17, 2017, adding six stations and serving growing suburban demand in York Region. Ongoing projects feature the Finch West light rail transit (LRT) line, spanning 10.3 kilometers with 18 stops from to for Line 1 integration, completing trial runs and handover to TTC operations in October 2025 ahead of public opening later that year. The TTC's 2025 Annual Service Plan allocates resources to restore subway frequencies, targeting Line 2 peak-hour headways near pre-pandemic levels of approximately 2.5 minutes based on ridership analytics, while adding bus routes and service hours amid a 5.8% operating budget increase to support recovery. Despite these efforts, the TTC faces documented operational challenges, including a projected $36.5 million operating shortfall for 2025 attributed to lower-than-expected fare revenues and delayed LRT openings, prompting a fare freeze at 2023 levels and requests for provincial funding to avert service cuts. Safety incidents have risen post-2020, with violent crimes against passengers increasing 46% from 2021 to 2022 and offences against staff peaking in early 2023 before partial declines from enhanced measures like dedicated transit officers. Historical labor disruptions, such as the 2008 strike lasting two days until back-to-work legislation, underscore union tensions over wages and conditions. Ridership has recovered to about 80% of pre-COVID-19 levels by mid-2025, with subway boardings at 81% of 2019 figures, yet on-time performance lags at around 76% for buses due to traffic and scheduling issues. Aging infrastructure, including outdated signals and Line 2 trains averaging over 30 years old, contributes to frequent breakdowns and delays, necessitating accelerated state-of-good-repair investments.

Transportation Technology Center

The (TTC) is a specialized research, development, testing, and training facility located northeast of , operated by ENSCO Inc. as the prime contractor for the (FRA). Established to advance , , and , TTC provides full-scale testing for , , and vehicles, adhering to FRA regulations and supporting industry-wide validation of technologies. The facility spans extensive track infrastructure, including a 13.5-mile (RTT) loop with for high-speed evaluations. TTC's technical capabilities encompass dynamic performance testing at speeds up to 165 mph (265 km/h), collision and impact simulations for assessment, emissions analysis, and evaluations of components, signaling systems, and flaw detection technologies. Specialized facilities enable accelerated service testing on 48 miles of , blast and fire resistance trials, and calibration of detection systems for defects like transverse fissures in and welds. These services facilitate root-cause investigations into rail incidents, including derailments, by replicating operational conditions to identify failure mechanisms empirically. TTC has contributed to enhanced rail standards through hands-on workshops and demonstrations, such as the 2025 Derailment Investigation and Prevention Workshop, which emphasized root-cause analysis, measurement techniques, and cause coding to reduce incidents. The facility hosted its third annual conference in October 2025, featuring live simulations and discussions on testing, aligning with FRA showing derailment reductions from integrations like advanced detection. ENSCO's operations at TTC have supported developments in autonomous rail systems and durable components, providing verifiable for regulatory compliance and private-sector innovations without reliance on direct operational subsidies.

Healthcare, Fertility, and Medicine

Trying to Conceive

"Trying to conceive," abbreviated as TTC, refers to the deliberate process of attempting through timed aligned with , commonly discussed in online support groups and forums since the early . This emerged in communities like What to Expect and later Reddit's r/TryingForABaby, where participants share cycle tracking experiences using apps, predictor kits (OPKs), or basal body temperature () monitoring to identify fertile windows. TTC distinguishes casual unprotected sex from structured efforts, often involving apps like or Ovia for logging symptoms, though alone confirms post-facto rather than predicting it reliably, with studies showing limited precision in isolating the fertile window. Commonly associated acronyms in TTC discourse include BFP (big fat positive, for a pregnancy test result), DPO (days past ovulation, for symptom timing), 2WW or TWW (two-week wait, the period between and testing), and AF (Aunt Flo, euphemism for ). These terms facilitate concise communication in peer networks, where users report on cycle lengths, luteal phases, or chemical pregnancies (early miscarriages detected by tests). Approximately 12-15% of couples experience , defined as failure to conceive after one year of TTC, affecting about 1 in 8 U.S. couples per CDC data from reproductive health surveys. Empirical data indicate that for women under 35 with regular cycles, median time is two menstrual cycles, with 80% succeeding within six months via natural TTC methods. Delays often stem from modifiable lifestyle factors rather than inherent pathology; impairs and quality, with evidence linking over 30 to reduced odds independent of age, while delayed childbearing—average maternal age now over 30—exacerbates age-related oocyte decline. , excessive , and sedentary habits further compound risks, per cohort studies showing reversible impacts on rates when addressed preconception. TTC communities offer peer validation amid these challenges but carry risks of misinformation, as non-expert anecdotes on platforms like or forums often overstate unverified remedies or downplay evidence-based delays. For persistent , assisted reproduction like IVF yields live birth rates of 50% per cycle for women under 35 but drops sharply with age, at costs averaging $15,000-20,000 per attempt excluding medications, prompting critiques of over-medicalization when lifestyle interventions could suffice first. Combined tracking methods ( plus cervical mucus or OPKs) may boost odds by 20-30% over calendar alone in motivated users, though apps' detection accuracy hovers around 21-90% depending on multimodal sensors.

Education and Institutions

Trident Technical College

Trident Technical College (TTC), a public two-year in , originated from the Berkeley-Charleston-Dorchester Technical Education Center, established in 1964 on a 25-acre site in North Charleston as part of the state's technical education system initiated under Governor Ernest F. Hollings. In 1973, it merged with Business College to form the current institution, accredited by the Southern Association of Colleges and Schools Commission on Colleges to award degrees, diplomas, and certificates. TTC operates multiple campuses serving , , and counties, including the main Thornley Campus in North Charleston, Campus, Campus, Campus, and Campus in downtown . For the 2023-2024 , TTC enrolled 14,025 students, predominantly in undergraduate programs, with a focus on full-time equivalents around 8,186 in fall 2023. The college emphasizes associate degrees and workforce training in fields such as health sciences (e.g., ), industrial technologies, , , and trades like and , alongside transfer programs for four-year institutions. programs incorporate general , major-specific courses, and to prepare students for employment or further study. TTC has expanded vocational offerings, including a $37 million of the Berkeley Campus announced in 2025 to add facilities, introduce new programs, and triple enrollment capacity in response to regional demands. Additionally, programs like the industry-funded Future Ready Certificate have grown to include high school students in and counties starting fall 2025, targeting skills gaps in skilled trades. Outcomes include strong job placement rates, with 91% of 2020 graduates and 89% of 2021 graduates employed or within six months, exceeding the Technical College System average. The college recognized top performers at its 2024 Awards Day, honoring students for academic excellence and service. However, completion rates remain a challenge typical of community colleges, with only 29% of students within 150% of normal time and an 18% rate for full-time first-time students, reflecting factors like part-time and transfer-outs. relies heavily on state appropriations, which influence program scalability amid economic fluctuations.

Science, Technology, and Engineering

Time-to-Contact

Time-to-contact (TTC), also known as time-to-collision, denotes the duration until a moving observer or object intersects with an approaching entity on a direct path, estimated through optic flow patterns such as the angular expansion rate of the target's retinal projection. This concept originates in ecological optics, where James J. Gibson posited that TTC is directly perceivable via the optical variable (τ), defined as the inverse of the rate of visual , without requiring explicit computation of distance and velocity. Gibson's framework, detailed in The Ecological Approach to Visual Perception (1979), emphasizes affordances in the for adaptive action, such as braking or evasion, rather than internal representations. Empirical research in demonstrates that humans can estimate TTC with functional accuracy for collision risks, leveraging under constant velocity conditions, though judgments rely on integrated cues beyond alone, including acceleration and context. Studies indicate relative precision in simulated displays, with prospective control enabling interceptive actions like catching or avoiding, but errors increase when optical information is ambiguous, such as during or non-constant motion. Perception degrades significantly in low-visibility scenarios like or dim lighting, where reduced optic flow impairs extraction, leading to over- or underestimation of hazards. In engineering applications, TTC algorithms enhance safety in through systems like the Traffic Alert and Collision Avoidance System (TCAS), which computes predicted TTC to issue resolution advisories 20-30 seconds before potential mid-air collisions, integrating data for relative motion. In autonomous and advanced driver-assistance systems (ADAS), TTC is derived from — for velocity, for precise ranging—to inform emergency braking or path planning, serving as a key metric for imminent collision risk. However, real-world deployments reveal limitations: models assuming tau-like expansion falter amid degradation from , occlusions, or dynamic variables like sudden maneuvers, contributing to incidents in 2018-2023 AV trials where perceptual cues mismatched physical realities. Critics argue over-reliance on simplified TTC overlooks causal complexities, such as multi-object interactions or adversarial conditions, necessitating hybrid human oversight.

Trusted Third Party

A (TTP), also denoted as TTC, refers to an independent entity relied upon to facilitate secure communications or transactions between two or more parties in cryptographic protocols, such as by performing , , or services without direct involvement from the principals. In public-key infrastructure (PKI), TTPs commonly function as certificate authorities () that issue and manage , including SSL/TLS certificates, to verify the of websites and enable encrypted connections. This intermediary role assumes the TTP's neutrality and competence, allowing parties to establish trust indirectly through verifiable protocols like signature validation, but it inherently introduces dependencies on the TTP's and . From a standpoint, TTPs create single points of failure, as compromise of the intermediary undermines the entire chain; reveals that centralized control amplifies risks from insider threats, misconfigurations, or external attacks, contrasting with distributed models that spread verification across participants. A prominent empirical example is the 2011 DigiNotar breach, where intruders accessed the Dutch CA's systems starting around June 17, 2011, and issued over 500 fraudulent certificates for domains including and , enabling man-in-the-middle attacks that affected millions of Iranian users by impersonating secure sites. The incident, detected on July 19, 2011, exposed inadequate segmentation and monitoring in the CA's , leading to DigiNotar's from stores, its on September 20, 2011, and broader scrutiny of CA reliability. Critics argue that TTP centralization facilitates and compelled compromises, such as government demands for backdoors, which weaken protocols for all users; for instance, proposals like the 1990s required with authorities, while recent efforts include the UK's 2025 order for Apple to implement global encryption backdoors, illustrating how state pressure on intermediaries erodes systemic . Empirical data from PKI incident analyses highlight recurring CA vulnerabilities, including policy failures and implementation flaws that enable unauthorized issuances, as seen in qualitative reviews of web-based PKI breaches. Decentralized alternatives, such as networks, mitigate TTP risks by employing mechanisms for peer-verified , eliminating single intermediaries and distributing validation to reduce compromise impacts; blockchains operate on trustless principles where transactions are secured via cryptographic proofs rather than reliance on a central authority. Proponents note that this model exhibits tamper-evident properties and lower operational costs compared to TTP-dependent systems, though it introduces challenges like and use. Overall, while TTPs enable scalable verification in infrastructures, first-principles underscores their fragility against targeted failures, favoring or fully distributed approaches for resilient .

Arts, Entertainment, and Media

TTC (musical artists and works)

TTC is a group originating from , formed in the late 1990s by MCs (Julien Pradeyrol) and Tido Berman (Jérôme Echenoz), with Cuizinier (Alexandre Miranda) joining as a third vocalist shortly thereafter. The collective incorporated DJ Orgasmic for scratching and production, alongside contributions from producers Para One and Tacteel, blending abstract and experimental styles with electronic influences. They debuted with the single "Game Over '99" in 1999, self-released before signing to Big Dada Records, which facilitated international releases and tours. The group's discography includes the debut album Ceci N'est Pas un Disque (2002), featuring tracks like "Poke" and "Rouler," followed by the remix EP De Pauvres Riches later that year. Subsequent releases comprised the Éléments EP (2001), Bâtards Sensibles (2004), and 3615 TTC (2006), with singles such as "Leguman" (2000), "Dans le " (2004), and "" (2006) highlighting their playful, irreverent lyricism often delivered in . These works emphasized niche underground appeal within France's scene, prioritizing creative experimentation over commercial charts, as evidenced by their association with labels like Big Dada and V2. Beyond the French group, TTC denotes lesser-known musical projects, including an outfit active since 1998 producing , ambient, and tracks under The Trance Connection moniker. Additionally, an independent artist TTC released glitch hop and experimental music on platforms like in the 2010s, with tracks such as "Oracle" noted for unconventional time signatures like 5/4. These uses of the acronym appear sporadically in indie releases, typically without widespread commercial impact or detailed reception data.

Geography and Places

Specific Locations and Sites

The Toronto Transit Commission's physical infrastructure includes multiple dedicated maintenance, storage, and operational sites across Toronto, distinct from its administrative headquarters at 1900 Yonge Street. These facilities, many originating from the TTC's predecessor organization formed in 1921 as the Toronto Transportation Commission, support vehicle servicing and fleet management without encompassing active transit routes or passenger operations. Key sites include the Hillcrest Complex at 1138 Bathurst Street, a central maintenance hub for buses and streetcars undergoing upgrades for expanded storage and servicing capacity as of 2024. The Russell Carhouse, focused on streetcar operations, received track and storage modifications in 2022 to accommodate new fleet arrivals starting in fall 2023. Leslie Barns, established as a modern streetcar maintenance and storage facility at the intersection of Leslie Street and East, became operational in 2015 with the introduction of new low-floor vehicles. The Danforth Garage serves bus maintenance functions and hosts public events, such as the 2025 Doors Open showcase on May 24. Wilson Carhouse features ongoing track expansions, including alterations to tracks 15 and 16 reported in 2024, to enhance vehicle handling. These sites reflect the TTC's evolution from early 20th-century depots to contemporary infrastructure supporting 's urban geography.

References

  1. [1]
    Toronto Transit Commission
    The Toronto Transit Commission (TTC) is a City agency that provides public transit services to approximately 1.7 million daily commuters in Toronto and from ...<|separator|>
  2. [2]
    Key Information About the TTC
    The TTC has a $2.38 billion combined operating budget for conventional and Wheel-Trans services. In 2023, new operating investments include:
  3. [3]
    The TTC – 100 Years of Moving Toronto
    Before the establishment of the TTC on September 1, 1921, transit options in Toronto were fragmented, inadequate, and expensive. The TTC ushered in an era ...
  4. [4]
    Setting the Scene - City of Toronto
    In June 1920, the Toronto Transportation Commission was incorporated by an Act of the Ontario Legislature. On September 1, 1921, the City acquired all of the ...
  5. [5]
    Canada's First Subway - City of Toronto
    Toronto's Yonge subway, built by the TTC between 1949 and 1954, was the first subway line in Canada and shaped modern Toronto.
  6. [6]
    About the TTC
    The TTC is a vital public service in North America, overseen by a board of elected officials and private citizens, and is working to improve customer ...Key Information About the TTC · The Board · FAQ · Employee resources
  7. [7]
    The TTC in the 21st Century - City of Toronto
    Since 2000, the TTC has taken delivery of 82 new Toronto Rocket subway trains, 204 new low-floor streetcars, and over 1,800 new buses. The TTC is currently ...
  8. [8]
    https://tvo.org/article/off-the-rails-part-1-how-toronto-transit-became-such-a-mess
  9. [9]
    Toronto Transit Commission: History, Photos, Routes
    Jan 24, 2025 · Notably, the TTC is the most utilized urban mass transit system in Canada. ... One of its first major achievements was the consolidation and ...
  10. [10]
    Who broke the TTC? Inside Toronto's public transit disaster
    Jul 6, 2023 · The sprawling Crown agency was formed in 2006 and now manages several major public transit projects across the Greater Toronto and Hamilton Area ...
  11. [11]
    The TTC has a new CEO. Here are five big issues he's facing
    Jun 5, 2025 · The TTC has a new CEO. Here are the five big transit issues he's facing · Slow zones and repair backlog · Growing pains · Rider frustrations.<|separator|>
  12. [12]
    TTC board approves 2025 budget that would freeze fares, increase ...
    Jan 10, 2025 · TTC board approves 2025 budget that would freeze fares, increase service · Transit agency requested a 6.5% increase to operating budget · Social ...
  13. [13]
    2025 Annual Service Plan - TTC
    The 2025 ASP provides a roadmap for service changes for the coming year, including recommendations for new and revised routes based on input and engagement with ...Missing: facts | Show results with:facts
  14. [14]
    https://cdn.ttc.ca/-/media/Project/TTC/DevProto/Documents/Home/Transparency-and-accountability/Reports/CEO-Reports/2025/2025-June-CEO-Report---commentary-live-links.pdf
  15. [15]
    TTC
    Connecting you to Toronto. Riding the TTC. Destinations, parking, green initiatives and more. Schedules and Maps. Route and schedule information.Bus RoutesSubway serviceRoutes & schedulesSearchTake the TTC to Rogers Stadium
  16. [16]
    A brief history of the Toronto Transit Commission - blogTO
    Aug 31, 2013 · The Toronto Transportation Commission was established on September 1, 1921 with the merger of two street railway companies.
  17. [17]
    Routes & schedules - Toronto - TTC
    System Map. Find your way around Toronto with this comprehensive map of all TTC routes, including subway, streetcar and bus service.Bus Routes · Subway Line 1 (Yonge... · Kennedy Station
  18. [18]
    TTC subway trains carry 1st riders to Vaughan as Line 1 extension ...
    Dec 17, 2017 · "I promised the mayor we would have this open by the end of 2017. We have faced huge challenges on this project. We had to reset the project ...
  19. [19]
    https://www.cbc.ca/news/canada/toronto/ttc-finch-west-lrt-completes-trial-run-9.6950734
  20. [20]
    TTC's 2025 budget freezes fares, increases service frequency and ...
    Jan 10, 2025 · The TTC's 2025 budget freezes fares, increases service, improves safety, invests $16B+ in capital, and has a 6.5% operating budget increase.
  21. [21]
    TTC Projects $36.5m Budget Shortfall, Raising Questions about ...
    Sep 16, 2025 · The TTC is projecting a $36.5-million budget shortfall for 2025, according to a financial update presented at the Sept. 10 board meeting ...
  22. [22]
    Violence against Toronto transit passengers rose 46% last year ...
    Feb 23, 2023 · Newly released data shows that the number of violent incidents against TTC passengers rose 46 per cent last year compared to 2021.Missing: 2024 1000
  23. [23]
    Three-year agreement between TTC, unions announced
    Oct 8, 2008 · A strike commenced on the evening of April 25, 2008 that was ended two days later, on April 27, 2008, with the passage of the Toronto Public ...Missing: details | Show results with:details
  24. [24]
    https://cdn.ttc.ca/-/media/Project/TTC/DevProto/Documents/Home/Transparency-and-accountability/Reports/CEO-Reports/2025/September-2025-CEO-Report.pdf
  25. [25]
    TTC board sounds alarm on aging Line 2 trains - Toronto Star
    Jun 20, 2024 · Even before a July 2023 derailment forced the the TTC to decommission that line, it was notorious for breakdowns and unreliable service.
  26. [26]
    https://cdn.ttc.ca/-/media/Project/TTC/DevProto/Documents/Home/Public-Meetings/Board/2014/April-30/Reports/PAADesignSupplyRadioBasedATCforYUSSubway.pdf
  27. [27]
    Transportation Technology Center (TTC) | FRA
    The TTC, located in Pueblo, Colorado, provides research, development, and testing for rail safety, with over 50 miles of test track and facilities like the ...
  28. [28]
    Transportation Technology Center (TTC) - ENSCO, Inc.
    ENSCO provides research and development, testing, engineering and training services at the FRA's Transportation Technology Center (TTC) in Pueblo, Colorado.
  29. [29]
    About - Transportation Technology Center
    The TTC serves as a central hub for transportation research and development (R&D), training, and testing across the entire spectrum of the transportation ...
  30. [30]
    Transportation Technology Center: Home
    ENSCO proudly supports the Federal Railroad Administration's (FRA) Transportation Technology Center (TTC) as the prime contractor conducting research, ...About · Contact · TTC At A Glance · Events
  31. [31]
    A hub for advanced passenger train testing - Mass Transit Magazine
    Apr 16, 2024 · Through its comprehensive testing capabilities, the TTC is not only validating the operational readiness of innovative trainsets like the ...
  32. [32]
    Facility for Accelerated Service Testing at the Transportation ...
    There are 48 miles of railroad track available for testing locomotives, vehicles, track components, and signaling devices at the Transportation Technology ...
  33. [33]
    Rail Integrity Research - ENSCO - Transportation Technology Center
    This facility provides a tool for developers to calibrate and test their rail flaw detection technologies. Rail Integrity Capabilities. RF-LOAD Rail Library:.
  34. [34]
    2025 Derailment Investigation and Prevention Workshop
    The workshop will cover the technical aspects of derailment investigation, including root cause analysis, derailment cause codes, measurement techniques, and ...
  35. [35]
    Derailment Investigation, Prevention, Detection - Railway Age
    Aug 5, 2025 · There was a significant reduction in derailments from 2004 to 2024 according to the Federal Railroad Administration (FRA) derailment statistics.
  36. [36]
    Rail Leaders Converge in Pueblo for Third Annual TTC Conference ...
    Oct 17, 2025 · ENSCO, Inc. is the operator of the Federal Railroad Administration's (FRA) Transportation Technology Center (TTC) located in Pueblo, Colorado.
  37. [37]
    News & Media - Transportation Technology Center
    The August 2025 issue of Railway Age features ENSCO's approach to derailment analysis and prevention, spotlighting insights from a TTC-hosted workshop on root ...
  38. [38]
    Rail Knowledge Hub | Cutting-Edge Insights and Advancements in ...
    The Transportation Technology Center (TTC), operated by ENSCO, hosted its first Derailment Investigation and Prevention Workshop, offering participants hands-on ...<|control11|><|separator|>
  39. [39]
    TTC Acronyms Explained: How to Connect and Find Support While ...
    Sep 25, 2025 · Joining an online TTC (meaning “trying to conceive”) community can be incredibly helpful, says Alex Robles, M.D., an OB/GYN and reproductive ...Missing: notable | Show results with:notable
  40. [40]
    BFP Meaning: Acronyms to Know When You're TTC - Healthline
    Dec 6, 2020 · Trying to conceive forums can seem like they're written in a foreign language. BFP meaning? No problem. We'll be your translator.Missing: origin | Show results with:origin
  41. [41]
    TTC Group Welcome - Trying to Conceive - What to Expect Forums
    Sep 22, 2015 · Welcome to What To Expect's TTC group! We hope that you'll find this forum to be a great resource during your conception journey.Missing: origin | Show results with:origin
  42. [42]
    Innovative Approaches to Menstruation and Fertility Tracking Using ...
    Feb 15, 2024 · The Ava bracelet, which measures HR and body temperature changes, had an accuracy of 90% in 1 study for detecting the fertile period, defined as ...
  43. [43]
    TTC: What all those trying-to-conceive acronyms mean
    May 22, 2018 · TTC means 'trying to conceive'. Other acronyms include BFN (big fat negative), BFP (big fat positive), and TWW (two-week wait).Missing: origin forums
  44. [44]
    Infertility Acronyms | RESOLVE
    Those online forums, and specialists are not speaking in tongues or ... TTC: Trying To Conceive; TTCAR: Trying to Conceive After Reversal; TWW: Two ...
  45. [45]
    Infertility: Frequently Asked Questions | Reproductive Health - CDC
    May 15, 2024 · In the United States, 1 in 5 (19%) of married women aged 15 to 49 with no prior births are unable to get pregnant after 1 year of trying. About ...
  46. [46]
    How common is infertility? | NICHD
    Feb 8, 2018 · Studies suggest that after 1 year of having unprotected sex, 12% to 15% of couples are unable to conceive, and after 2 years, 10% of couples ...Missing: 2024 | Show results with:2024
  47. [47]
    Average Time To Get Pregnant By Age: How Long Does It Take?
    Mar 17, 2025 · Those under the age of 35 with regular cycles and no fertility issues had a median time to conceive of only two cycles.
  48. [48]
    How Long Does It Take To Get Pregnant? | UPMC HealthBeat
    Jun 30, 2023 · 80% get pregnant within six months. 85% get pregnant within one year. 92% get pregnant within four years. A woman's age affects the average time ...
  49. [49]
    Effects of lifestyle factors on fertility: practical recommendations for ...
    Scientific evidence has suggested that modifiable lifestyle factors (consumption fat-rich diets, delayed childbearing/age of starting family, smoking, alcohol ...
  50. [50]
    Obesity and reproduction: a committee opinion (2021) - ASRM
    Obesity can impair reproduction in both women and men, leading to infertility in couples trying to conceive and subsequent complications in pregnancy (23–25).Missing: childbearing | Show results with:childbearing
  51. [51]
    Infertility and lifestyle factors: how habits shape reproductive health
    May 13, 2025 · Age, diet, exercise, obesity, smoking, excessive alcohol usage, and recreational drug use affect infertility.Missing: childbearing | Show results with:childbearing
  52. [52]
    Infertility in the Age of TikTok: Separating Fact from Fiction - ASRM
    Apr 25, 2025 · However, the convenience of social media comes with significant risks. Misinformation spreads rapidly, and many posts are based on anecdotal ...
  53. [53]
    The Risk and Opportunity of Online Fertility Groups - The Atlantic
    Jul 22, 2022 · Most of the participants aren't medical professionals, and they can play a significant role in repeating misinformation about how to get ...
  54. [54]
    Fertility Treatment Success Rates: IVF Insights by Age 2024
    Aug 10, 2024 · IVF success rates are around 50% for women under 35, dropping to 25% over 40. For 35-37, it's about 30%, and 20% for 38-40.
  55. [55]
    https://www.goodrx.com/conditions/fertility/ivf-costs
  56. [56]
    Increased Likelihood of Pregnancy Using an App-Connected ... - NIH
    One study found that the probability of correctly identifying a woman's day of ovulation using cycle-tracking apps was no better than 21%. Therefore, a method ...
  57. [57]
    Trident Technical College
    ... Charleston, SC 29423. Info: 843-574-6111. Toll-Free: 877-349-7184. Contact Us · Thornley Campus · Berkeley Campus · Dorchester Campus · Mount Pleasant Campus ...
  58. [58]
    Trident Technical College - Student Population and Demographics
    Trident Technical College has a total of 14,025 enrolled students for the academic year 2023-2024. All 14,025 students are enrolled into undergraduate programs.
  59. [59]
    Fall Enrollment FTE - SCTCS Comparison - Trident Technical College
    Nov 25, 2024 · College, 2020, 2021, 2022, 2023 ; Trident Technical College, 7,001, 6,745, 6,885, 8,186 ; Greenville Technical College, 6,692, 6,163, 6,826, 6,416 ...Missing: numbers | Show results with:numbers
  60. [60]
    Types of Programs - Trident Technical College
    Associate degrees are 2-year programs. There are two types of Associate degrees: transfer and technical. Transfer Associate degrees are designed to provide ...
  61. [61]
    A $37 million renovation is coming to Trident Technical College's ...
    Mar 29, 2025 · A $37 million renovation is coming to Trident Technical College's Berkeley Campus, expanding facilities, bringing new programs and tripling enrollment capacity.
  62. [62]
    Trident Tech expands industry-funded program - Post and Courier
    Aug 1, 2025 · Trident Technical College's Future Ready Certificate program is expanding this fall to include high school students in Charleston and ...
  63. [63]
    Graduate Placement Rates by Award Level
    Jun 27, 2025 · All Programs, 2020, 2021 ; *Graduates Available, 2,104, 2,148 ; Graduates Placed, 1,912, 1,921 ; Graduate Placement Rate, 91%, 89% ...
  64. [64]
    Graduate Placement Rates SCTCS Comparison
    Jun 27, 2025 · All Programs, 2020, 2021 ; Trident Technical College, 91%, 89% ; SCTCS, 90%, 91% ...
  65. [65]
    Awards Day recognizes outstanding student achievement ...
    May 2, 2024 · Awards Day recognizes outstanding student achievement. Congratulations to all of the 2024 award winners!
  66. [66]
    Trident Technical's Graduation Rate - College Tuition Compare
    At Trident Technical College, the graduation rate is 29 % within 150% normal time, the retention rate is 68 %, and the transfer-out rate is 20 %, as of ...
  67. [67]
    Trident Technical College in Charleston, SC | US News Education
    Full-time retention rate. 53%. Part-time retention rate. 23%. Graduation rate. 18%. Transfer-out rate. 23%. Entering students who are full-time first-time ...
  68. [68]
    The History and Philosophy of Ecological Psychology - Frontiers
    Gibson substituted the idea of retinal image with the optic array ... He proposed a mathematical invariant specific to time-to-contact, tau (τ) ...
  69. [69]
    Chapter 1 Theories of time-to-contact judgment - ScienceDirect
    Finally, we speculate on the necessary ingredients for future theorizing on time-to-contact estimation. ... Plummeting gannets: A paradigm of ecological optics.
  70. [70]
    Chapter 14 Time to Contact as a Determiner of Action: Vision and ...
    This chapter examines the role vision—the “time to contact” variable. The notion of direct perception is used. The role of vision in mediating information ...
  71. [71]
    Empirical and theoretical issues in the perception of time to contact
    It is argued that no extant empirical data can distinguish the extended account from the distance divided by velocity account. Publication types. Research ...
  72. [72]
    Prediction of time to contact under perceptual and contextual ...
    Jun 21, 2024 · Results showed differences in accuracy between the predictable and unpredictable occluder conditions, with different eye movement patterns in ...
  73. [73]
    Chapter 19 The fallacious assumption of time-to-contact perception ...
    We no longer present the perception of TTC as an intermediate phase in interceptive timing. Instead, we propose that information directly regulates action.
  74. [74]
    How much time do pilots have to execute a TCAS Resolution ...
    May 28, 2019 · Traffic advisories are provided 35-48 seconds out and a Resolution will be provided 20-30 seconds out.
  75. [75]
    Collision Risk in Autonomous Vehicles: Classification, Challenges ...
    Jan 12, 2024 · The time to contact is a reasonable indicator of potential collisions. This research examines systems and solutions developed in this field to ...
  76. [76]
    A Survey on Sensor Failures in Autonomous Vehicles
    Aug 7, 2024 · This survey covers 108 publications and presents an overview of the sensors used in AVs today, categorizes the sensor's failures that can occur.
  77. [77]
    A Comprehensive Review on Limitations of Autonomous Driving ...
    This paper aims to comprehensively examine the limitations inherent in autonomous driving and their consequential impact on accidents and collisions.
  78. [78]
    5 Key Challenges in AV: Advanced Solutions for Businesses - Sapien
    Feb 28, 2025 · Key AV challenges include sensor issues, AI decision-making, cybersecurity, regulatory barriers, and infrastructure limitations.
  79. [79]
    Trusted Third Party Definition - FraudNet
    A Trusted Third Party (TTP) is an entity that facilitates secure interactions between two or more parties by providing trust services like authentication, ...
  80. [80]
    Trusted Third Parties are Security Holes | Satoshi Nakamoto Institute
    The invocation or assumption in a security protocol design of a “trusted third party” (TTP) or a “trusted computing base” (TCB) controlled by a third party ...
  81. [81]
    DigiNotar Files for Bankruptcy in Wake of Devastating Hack - WIRED
    Sep 20, 2011 · The breach allowed the intruder to trick DigiNotar's system into issuing him more than 500 fraudulent digital certificates for top internet ...Missing: details | Show results with:details
  82. [82]
    DigiNotar (2011) - International cyber law: interactive toolkit
    Sep 17, 2021 · Date, June 17, 2011. DigiNotar detected an intrusion into its Certificate Authority infrastructures on 19 July 2011.
  83. [83]
    DigiNotar---What Went Wrong? - Keyfactor
    Jul 11, 2012 · DigiNotar was the first public CA that went bankrupt because of being hacked. This is extremely significant to the PKI world.Missing: details | Show results with:details
  84. [84]
    Clipper chip - Wikipedia
    The Clipper chip was a chipset that was developed and promoted by the United States National Security Agency (NSA) as an encryption device
  85. [85]
    Governments continue losing efforts to gain backdoor access to ...
    May 16, 2025 · In 2025, the U.K. government secretly ordered Apple to add a backdoor to its encryption services worldwide.
  86. [86]
    A holistic analysis of web-based public key infrastructure failures
    Dec 20, 2021 · This paper presents an evaluation of web-based PKI incidents in two parts. We began with a qualitative study where we captured security and policy experts' ...
  87. [87]
    Trustlessness and security on blockchain - Bitstamp
    Aug 10, 2022 · Traditional systems require a trusted third party to validate any action. · Blockchains operate on a trustless basis. · Blockchain transactions ...
  88. [88]
    Exploring trust dynamics in finance: the impact of blockchain ...
    Aug 2, 2025 · The trust system facilitated by blockchain technology exhibits significantly lower costs and boasts inherent “tamper-evident” characteristics, ...<|separator|>
  89. [89]
    TTC
    ### Summary of TTC (French Rap Band)
  90. [90]
    TTC Songs, Albums, Reviews, Bio & More - AllMusic
    Explore TTC's discography including top tracks, albums, and reviews ... Background Music Celebration Cool & Cocky · Drinking Hanging Out In Love · Rainy ...
  91. [91]
    The Trance Connection – Electronic & Ambient Music | Free Music ...
    TTC has been around since 1998 and produces a steady flow of trip hop, lounge, ambient, chillout, dance, newcore, club, stoner-trance, new age, tribal, electron.
  92. [92]
    Monstercat Songs With Non-4/4 Time Signatures - Reddit
    Nov 30, 2019 · Wasnt TTC - Oracle 5/4? ... r/Monstercat - Monstercat King of Genres (Artists) - Glitch Hop. 59 upvotes · 37 comments. Top Posts ...
  93. [93]
    Consolidation: The TTC in the Twenties – Buses and Trolleys
    In the 10 years after the TTC was formed in 1921, the population of Toronto grew from 522,000 to 627,000, and assessed property values increased by 60 per cent.
  94. [94]
    Hillcrest Complex Upgrades - TTC
    Located at 1138 Bathurst Street, Hillcrest Complex is a maintenance facility for the TTC's buses and streetcars. Image identifying existing Hillcrest ...
  95. [95]
    https://www.ttc.ca/about-the-ttc/projects-and-plans/Russell-Carhouse
  96. [96]
    Russell Carhouse Upgrades - TTC
    TTC is upgrading storage capacity at streetcar yards across the City. As part of this program, TTC will be modifying the carhouse and storage area at Russell ...
  97. [97]
    https://www.ttc.ca/transparency-and-accountability/Operating-Statistics/operating-statistics-2015/growth-and-expansion-on-the-ttc
  98. [98]
    Growth and Expansion on the TTC
    In 2015, new streetcar #4405 was the first vehicle to run out of Leslie Barns, the TTC's new streetcar maintenance and storage facility at Leslie Street and ...<|separator|>
  99. [99]
    Doors Open Toronto 2025 - TTC
    May 24, 2025 · Join us for Doors Open Toronto 2025! Saturday, May 24 from 10:00 am to 5 pm at Danforth Garage. Enjoy family-friendly activities and charity BBQ lunch.
  100. [100]
    https://cdn.ttc.ca/-/media/Project/TTC/DevProto/Documents/Home/Public-Meetings/Board/2024/February-22/3_Wilson_Carhouse_Tracks_15_and_16_Expansions_and_Alterations_Status_Update_1.pdf