• Thumbnail for Traffic collision
    A traffic collision, also known as a motor vehicle collision, or car crash, occurs when a vehicle collides with another vehicle, pedestrian, animal, road...
    100 KB (11,144 words) - 14:20, 20 August 2024
  • Thumbnail for 2002 Überlingen mid-air collision
    civilian mid-air collisions Peter Nielsen referred to the flight as "Bravo Tango Charlie 2937" instead of the airline callsign. Test run reg: N3502P,...
    59 KB (5,167 words) - 13:50, 17 August 2024
  • Thumbnail for Safarilink Aviation Flight 053
    park, killing both occupants. The first aircraft involved in the collision was a De Havilland Canada Dash 8-315 (model DHC-8-315), manufacturer serial...
    11 KB (1,140 words) - 05:28, 16 August 2024
  • Thumbnail for Collision theory
    Collision theory is a principle of chemistry used to predict the rates of chemical reactions. It states that when suitable particles of the reactant hit...
    22 KB (3,224 words) - 17:23, 31 July 2024
  • Thumbnail for Mid-air collision
    In aviation, a mid-air collision is an accident in which two or more aircraft come into unplanned contact during flight. Owing to the relatively high...
    33 KB (1,156 words) - 08:19, 22 August 2024
  • Thumbnail for Coefficient of restitution
    Coefficient of restitution (category CS1 German-language sources (de))
    the relative velocity of separation after collision to the relative velocity of approach before collision. It can also be defined as the square root...
    27 KB (4,280 words) - 04:55, 27 June 2024
  • Thumbnail for Gol Transportes Aéreos Flight 1907
    collision avoidance system (TCAS) was not activated, while the NTSB determined that both flight crews acted properly and were placed on a collision course...
    90 KB (8,329 words) - 23:32, 14 August 2024
  • Thumbnail for 2009 satellite collision
    2009. Marks, Paul (February 13, 2009). "Satellite collision 'more powerful than China's ASAT test". New Scientist. Archived from the original on February...
    21 KB (1,837 words) - 07:55, 25 June 2024
  • Thumbnail for Kessler syndrome
    The Kessler syndrome (also called the Kessler effect, collisional cascading, or ablation cascade), proposed by NASA scientists Donald J. Kessler and Burton...
    36 KB (4,032 words) - 12:31, 10 August 2024
  • Thumbnail for Moose test
    live moose) is used to simulate realistic moose collisions. Australian car manufacturers use crash test kangaroo dummies for similar reasons. In a 2008...
    12 KB (1,279 words) - 16:39, 9 July 2024
  • Thumbnail for Large Hadron Collider
    heavy ions, such as in lead–lead collisions and proton–lead collisions. The LHC's goal is to allow physicists to test the predictions of different theories...
    108 KB (10,722 words) - 04:59, 14 August 2024
  • Thumbnail for Road collision types
    head-on collisions and run-off-road collisions. Collisions at junctions, including rear-end collision and angle or side impacts. Collisions involving...
    26 KB (2,745 words) - 18:26, 14 June 2024
  • Thumbnail for 1997 European Grand Prix
    conditions. Prost conducted testing at Circuit de Catalunya and performed tyre testing for Bridgestone, as well as testing their 1998-specification car...
    57 KB (5,064 words) - 09:33, 1 August 2024
  • cryptography, a collision attack on a cryptographic hash tries to find two inputs producing the same hash value, i.e. a hash collision. This is in contrast...
    17 KB (2,010 words) - 21:48, 17 May 2024
  • Thumbnail for Chicken gun
    resultant velocity in a collision between a bird and an aircraft. The FAA do not specify the species of bird that should be used for testing, but do state that...
    19 KB (2,007 words) - 01:42, 9 August 2024
  • Thumbnail for Traffic collision avoidance system
    A traffic alert and collision avoidance system (TCAS, pronounced /tiːkæs/; TEE-kas) is an aircraft collision avoidance system designed to reduce the incidence...
    68 KB (7,370 words) - 13:43, 19 August 2024
  • Thumbnail for Giant-impact hypothesis
    There is evidence in other star systems of similar collisions, resulting in debris discs. Giant collisions are consistent with the leading theory of the formation...
    59 KB (6,828 words) - 17:06, 6 August 2024
  • Thumbnail for Double Asteroid Redirection Test
    astronomical units; 29 lunar distances; 6.8 million miles) from Earth. The collision shortened Dimorphos' orbit by 32 minutes, greatly in excess of the pre-defined...
    65 KB (6,251 words) - 23:10, 10 August 2024
  • Thumbnail for Francis Scott Key Bridge collapse
    should be to withstand ship collisions until 1994. Federal regulations for bridge protection systems from ship collisions were updated in 1991 after the...
    161 KB (12,884 words) - 13:43, 14 August 2024
  • Thumbnail for Driving test
    vehicle for the test, they must show proof of liability insurance to the DMV for the particular vehicle to avoid liability from a collision that could occur...
    7 KB (958 words) - 12:57, 22 July 2024
  • February 2017, CWI Amsterdam and Google announced they had performed a collision attack against SHA-1, publishing two dissimilar PDF files which produced...
    51 KB (5,762 words) - 21:53, 22 July 2024
  • Thumbnail for Kosmos 1408
    Kosmos 1408 (category Satellite collisions)
    300 and 1,100 km (190 and 680 mi) above Earth. The threat of potential collision with debris caused the crew of the International Space Station (ISS) to...
    25 KB (2,097 words) - 09:25, 3 February 2024
  • traffic collisions (2000–present). 1771 – France – Nicolas-Joseph Cugnot's second steam-powered vehicle is said to have crashed into a wall during a test run...
    102 KB (10,868 words) - 22:58, 13 August 2024
  • Thumbnail for John de Havilland (pilot)
    John de Havilland (17 October 1918 – 23 August 1943) was a British test pilot. John and his brothers, Geoffrey de Havilland Jr. and Peter, were sons of...
    9 KB (540 words) - 23:53, 17 February 2024
  • Thumbnail for Impact event
    An impact event is a collision between astronomical objects causing measurable effects. Impact events have been found to regularly occur in planetary...
    107 KB (12,087 words) - 19:18, 18 August 2024
  • Thumbnail for June 2009 Washington Metro train collision
    NTSB test. On July 23, the NTSB announced that the track circuit at the crash site had been malfunctioning since 2007, 18 months prior to the collision, and...
    40 KB (3,826 words) - 17:13, 9 August 2024
  • Thumbnail for Cryptographic hash function
    that yield the same hash value (a collision) is also infeasible: a cryptographic hash is expected to have a collision resistance strength of n / 2 {\displaystyle...
    48 KB (6,228 words) - 01:22, 22 August 2024
  • Thumbnail for Geoffrey de Havilland
    and John. Two of the sons died as test pilots in de Havilland aircraft. His youngest son, John, died in an air collision involving two Mosquitoes in 1943...
    18 KB (1,791 words) - 14:22, 28 April 2024
  • Thumbnail for India national cricket team
    ensure his safety. In 1999, a riot occurred in a Test against Pakistan at Eden Gardens after a collision with Pakistani paceman Shoaib Akhtar saw Sachin...
    193 KB (12,612 words) - 13:15, 21 August 2024
  • Thumbnail for 2024 Formula One World Championship
    Fédération Internationale de l'Automobile. 31 July 2024. Retrieved 3 August 2024. Noble, Jonathan (7 December 2023). "F1's wheel cover tests to resume next year...
    88 KB (6,535 words) - 10:35, 23 August 2024