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Speedcore
Speedcore is an extreme hardcore techno subgenre defined by tempos of 300 BPM and above, distorted 909-style kicks, and roots in 1990s techno, gabber, and Bloody Fist; subgenres include splittercore and extratone.
Speedcubing
Speedcubing (speedsolving) is competitive solving of the Rubik's Cube and twisty puzzles, governed since 2003-2004 by the World Cube Association; 17 events, 15-second inspection, CFOP/Roux/ZZ methods, sub-5-second 3x3 records.
Speeded-up robust features
Speeded-up robust features (SURF) is a scale- and rotation-invariant local feature detector and descriptor that matches interest points across images, introduced in 2006 as a faster alternative to SIFT.
Speedin' Bullet 2 Heaven
Speedin' Bullet 2 Heaven, Kid Cudi's fifth studio album (December 4, 2015, Republic/Wicked Awesome), a 26-track double album of lo-fi grunge and alternative rock with Beavis and Butt-Head skits, debuting at number 36 on the Billboard 200.
Speeding
Speeding is driving a motor vehicle faster than the posted speed limit or too fast for road, weather, or traffic conditions, and it contributes to roughly one third of fatal road crashes.
Speedinvest
Speedinvest is a Vienna-based early-stage venture capital firm founded in 2011, investing in European startups at pre-Seed and Seed stage with more than €1 billion under management.
Speedo
Speedo is an Australian-founded swimwear brand, created 1914 as Fortitude by Alexander MacRae and named Speedo in 1928, now owned by Britain's Pentland Group and known for Endurance+ fabric, the Fastskin and LZR Racer racing suits, and Olympic swimwear history.
Speedometer
A speedometer, also called a velocimetre, is the vehicle instrument that indicates speed in km/h or mph, commonly paired with an odometer; it was the first automotive instrument, patented by Otto Schulze in 1902.
SpeedRunners
SpeedRunners is a 2016 4-player competitive 2D platformer by DoubleDutch Games and tinyBuild; runners use grappling hooks, power-ups, and screen-edge elimination. Sequel SpeedRunners 2: King of Speed launched September 3, 2026.
Speeds and feeds
Speeds and feeds are the two principal cutting variables set when programming a machining operation such as milling or turning, directly affecting cutting time, tool life, and surface finish.
Speedster (fiction)
Speedster (fiction): characters whose defining trait is super speed, from DC's Flash (Jay Garrick, 1940) to Marvel's Quicksilver; marked by secondary powers, the Speed Force, and physical limits.
Speedtest.net
Speedtest.net, also known as Speedtest by Ookla, is a web service launched in 2006 that measures Internet download speed, upload speed, and ping against servers worldwide.
Speedway Grand Prix of Poland
Speedway Grand Prix of Poland (Grand Prix Polski na żużlu): Polish rounds of the FIM Speedway Grand Prix world championship. Three rounds per season at venues such as Warsaw's PGE Narodowy, Wrocław, Łódź, Gorzów, and Toruń, including the Toruń finale.
Speedway Grand Prix of Sweden
Speedway Grand Prix of Sweden, the Swedish round of the FIM Speedway Grand Prix world championship, held at Skrotfrag Arena, Målilla since 2005 (missed 2013 and 2020); winners include Jason Crump (5 wins), Brady Kurtz, and Anders Thomsen (2026).
Speedway Grand Prix qualification
Speedway Grand Prix qualification is how riders earn places in the FIM Speedway Grand Prix, the world championship of speedway motorcycle racing, through championship standings, the SGP Challenge, and wild cards.
Speedway in Poland
Speedway in Poland is motorcycle racing on oval dirt tracks, first held in the early 1930s, whose Ekstraliga is the most popular speedway league in the world.
Speedway in the United Kingdom
Speedway in the United Kingdom is British league motorcycle speedway, controlled by British Speedway Promoters Ltd since its 1928 start at High Beech, now declining with five Premiership teams.
Speedway World Championship
The FIM Speedway World Championship is speedway motorcycle racing's world title, a one-day final from 1936 to 1994 and the Speedway Grand Prix series since 1995; record six titles shared by Mauger, Rickardsson, and Zmarzlik, with Robert Lambert the 2026 champion.
Speedway World Cup
FIM Speedway World Cup (SWC), speedway's world team championship, successor to the 1960 World Team Cup, launched 2001, won most by Poland (9 titles), replaced by Speedway of Nations 2018–2022, Australia won 2026 in Warsaw.
Speedway World Under-21 Championship
The Speedway World Under-21 Championship, also known as the FIM Speedway Under-21 World Championship, is the FIM world championship for speedway riders under 21, first held in 1977.
Speedwell (1577 ship)
Speedwell (1577 ship), possibly the former Swiftsure, was a 60-ton English vessel bought in Holland for the Pilgrims; after two leaking abortive crossings in 1620 she was abandoned at Plymouth and the Mayflower sailed alone.
Speedy (1928 film)
Speedy (1928) is Harold Lloyd's final silent feature, a Ted Wilde comedy in which the scatterbrained New Yorker Speedy Swift saves the city's last horse-drawn streetcar, with a Babe Ruth cameo and extensive New York location shooting.
Speedy (Mia Dearden)
Speedy (Mia Dearden) is DC Comics' second Speedy, Green Arrow's sidekick, created by Kevin Smith and Phil Hester, debuting in Green Arrow Vol. 3 #2 (2001) and distinguished as DC's first major HIV-positive hero.
Speedy E
Speedy E (SPDYE5, speedy protein E5) is a human chromosome 7q11.23 protein-coding gene of the Speedy/RINGO Cdk-activator family, predicted to bind protein kinases and positively regulate Cdk activity, expressed broadly with highest levels in testis.
Speedy Gonzales
Speedy Gonzales is a Warner Bros. animated cartoon mouse from the Looney Tunes series, known globally for being billed as "the fastest mouse in all of Mexico."
Speedy Scandal (과속스캔들)
Speedy Scandal (과속스캔들, Scandal Makers) is a 2008 South Korean family comedy, Kang Hyeong-cheol's directorial debut, starring Cha Tae-hyun, Park Bo-young, and Wang Seok-hyeon; it drew 8,245,523 admissions, topping the 2008 Korean box office.
Speicherstadt
The Speicherstadt, Hamburg's historic warehouse district, was built between 1885 and 1927 on islands in the Elbe River and became a UNESCO World Heritage Site in 2015.
Speicherstadt and Kontorhaus District with Chilehaus
Speicherstadt and Kontorhaus District with Chilehaus is a UNESCO World Heritage Site in Hamburg, Germany, comprising a historic warehouse district and an early modernist office quarter.
Spektr-R
Spektr-R, also known as RadioAstron (Спектр-Р), was a Russian orbital observatory carrying a 10-meter radio telescope that operated from 2011 to 2019, pairing with ground telescopes for interferometry.
Spektr-RG
Spektr-RG (Спектр-РГ), also written Spectrum-Roentgen-Gamma or SRG, is a Russian-German X-ray observatory launched in 2019 that carries the eROSITA and ART-XC telescopes and surveys the sky from the Sun-Earth L2 point.