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Speech-to-speech translation
Speech-to-speech translation translates spoken utterances into another language so speakers can converse, through cascades of recognition, translation, and synthesis, or direct models like Translatotron, first shown in 2019.
Speechless (TV series)
Speechless (2016-2019) is an ABC family sitcom created by Scott Silveri about J.J. DiMeo, a non-speaking teen with cerebral palsy played by Micah Fowler, who has the same disability; canceled after 3 seasons and 63 episodes despite critical acclaim.
Speed
Speed is the rate at which an object covers distance, measured as distance divided by time; it is a scalar, lacking the direction velocity carries.
Speed (1994 film)
Speed (1994) is a 20th Century Fox action thriller, Jan de Bont's directorial debut, starring Keanu Reeves, Sandra Bullock, and Dennis Hopper; a bus bomb detonates below 50 mph, and the film grossed $350M and won two Oscars.
Speed (card game)
Speed (also called Spit or Slam) is a two-player shedding card game with no turns: both players race to empty a 5-card hand and 15-card draw pile onto two shared center piles, playing cards one rank higher or lower, aces wrapping to kings and twos.
Speed (TV network)
Speed (TV network), originally Speedvision, was an American motorsports cable channel launched December 31, 1995 by Roger Werner, Fox-owned from 2001, renamed Speed Channel then Speed, and rebranded Fox Sports 1 on August 17, 2013.
Speed 2: Cruise Control
Speed 2: Cruise Control (スピード2) is a 1997 American action thriller sequel to Speed, directed by Jan de Bont, starring Sandra Bullock, Jason Patric, and Willem Dafoe; a hijacker sets a cruise ship on a collision course, and the film earned a 4% Tomatometer.
Speed and Love (双轨)
Speed and Love (双轨, "dual-track") is a 2025 iQIYI romance drama adapted from Shi Jiuyuan's novel, starring Yu Shuxin and He Yu as non-blood siblings reunited in Thailand; 29 episodes, premiered December 12, 2025 amid 'yin-yang crew' controversy.
Speed and separation monitoring
Speed and separation monitoring is a collaborative robot safety method, defined in ISO/TS 15066:2016, that maintains a protective separation distance and slows or stops the robot when a human approaches.
Speed breeding
Speed breeding is a plant breeding method that uses extended photoperiods and controlled light and temperature to compress crop generation cycles, reaching up to 6 generations per year in wheat.
Speed bump
A speed bump, also called a sleeping policeman, is a raised ridge across a road that forces vehicles to slow down, typically used in parking lots.
Speed camera
A speed camera is an automated traffic enforcement device that photographs the license plate of a speeding vehicle, and the owner or driver is sent a ticket.
Speed dating
Speed dating: organized brief one-on-one dating encounters with mutual-yes matching, created in 1998 Los Angeles by Rabbi Yaacov Deyo for Jewish singles, and widely used as a research paradigm for initial romantic attraction.
Speed Demon (2026 film)
Speed Demon (2026) is an American horror film directed by Jon Keeyes, written by Domenico Salvaggio, starring Katie Cassidy as Sister Lu and William H. Macy as Father Novak, about a demon-possession exorcism on a runaway Montreal-to-New York train; released May 31, 2026, distinct from the Michael Jackson song and the Scourge RPG buff.
Speed Demon (Justin Bieber song)
Speed Demon (Justin Bieber song): opening track of SWAG II, released September 5, 2025; funk-influenced rap-sung kiss-off reusing the "is it clocking to you" meme, produced by Carter Lang, Eddie Benjamin, Dylan Wiggins, and Daniel Chetrit.
Speed dial
Speed dial is a telephone feature that calls a stored number by pressing one or two digits or a dedicated button instead of dialing it fully.
Speed Freak Killers
Speed Freak Killers: Wesley Shermantine and Loren Herzog, meth-fueled serial killer duo of San Joaquin County, California, 1980s-1990s; convicted of four murders, suspected of up to 72; Herzog died by suicide in 2012, Shermantine died in prison in 2026.
Speed Graphic
The Speed Graphic was a Graflex folding press camera produced from 1912 to 1973, the standard camera of American photojournalism from the 1930s through the 1950s.
Speed harmonization
Speed harmonization is an active traffic management strategy that gradually lowers and coordinates vehicle speeds upstream of congested freeway bottlenecks, reducing stop-and-go traffic and delaying flow breakdown.
Speed hump
A speed hump, also called a road hump, is a raised, gently curved pavement area on residential streets that forces drivers to slow to about 15 to 20 mph.
Speed Index (web performance)
Speed Index is a web performance metric that measures how quickly a page's contents are visibly populated during load, expressed in milliseconds, with lower scores better.
Speed limit
A speed limit is a legal maximum, and sometimes a minimum, for vehicle speed on a road, set by a government and enforced through traffic law.
Speed limiter
A speed limiter is a device or software function that prevents a vehicle from exceeding a preset maximum speed, typically by restricting fuel supply to the engine.
Speed limits by country
Speed limits by country compares legal maximum road speeds worldwide: typical urban defaults of 50 km/h, motorway limits of 120 to 130 km/h, and Germany's Autobahn with no general limit.
Speed limits in Germany
Speed limits in Germany, set by road type and signs, are 50 km/h in built-up areas and 100 km/h rural, while autobahns carry only an advisory 130 km/h.
Speed limits in the United States
Speed limits in the United States are maximum vehicle speeds set by individual states through state law or engineering studies, including Texas's 85 mph maximum.
Speed metal
Speed metal: fast-tempo subgenre of heavy metal from the late 1970s and early 1980s, built on NWOBHM and Motörhead, codified by "Exciter" and "Fast as a Shark," ancestor of thrash and power metal.
Speed of electricity
Speed of electricity, or velocity of electricity, is how fast an electrical signal propagates along a conductor, roughly 10⁸ m/s, while electrons themselves drift at about 10⁻⁴ m/s.
Speed of gravity
The speed of gravity is the speed at which gravitational changes propagate. General relativity requires it to equal the speed of light, confirmed by 2017 measurements.
Speed of light
The speed of light in vacuum, denoted c, is exactly 299,792,458 meters per second, fixed by definition in 1983, when the meter was redefined in terms of it.