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The Boomerang unit attaches on a mast to the rear of a vehicle and uses an array of seven small microphone sensors. The sensors detect and measure both the muzzle blast and the supersonic shock wave from a supersonic bullet traveling through the air (and so is less effective against subsonic ammunition).
The North Luzon Expressway's raised plastic transverse rumble strips approaching Balintawak Toll Barrier, Philippines. Rumble strips (also known as sleeper lines or alert strips) are a traffic calming feature to alert inattentive drivers of potential danger, by causing a tactile fuzzy vibration and audible rumbling transmitted through the wheels into the vehicle interior.
The Parking Sensor, a spin-off from the travel aid for the blind, the Sonic Pathfinder, was first invented by Dr Tony Heyes at the University of Nottingham. England. England. Toyota introduced ultrasonic Back Sonar on the 1982 Toyota Corona , offering it until 1988. [ 7 ]
Before the First World War, the doctrine of the French Army was geared towards a war of rapid maneuver. Although the majority of combatants had heavy field artillery prior to the outbreak of the First World War, none had adequate numbers of heavy guns in service and once the Western Front stagnated and trench warfare set in the light field guns that the combatants went to war with were ...
Sonic & All-Stars Racing Transformed features 24 characters in all major versions of the game, including one downloadable content character. The Wii U, Nintendo 3DS and Xbox 360 versions each received one additional playable character based on their respective console's avatar systems, while the Windows version received seven additional playable characters, including two released as ...
Tails running through a loop. Triple Trouble is a side-scrolling platformer similar to that of previous Sonic games. [2] The story follows Sonic the Hedgehog and Tails in their efforts to stop the powerful Chaos Emeralds from being acquired by Doctor Robotnik, who has tricked Knuckles the Echidna into aiding him.
The technology used in "siren mode" (called an "alert tone" by Genasys [5]), primarily for usage in emergency situations, has also been used for crowd control. In this mode, it allows sound transmission at around 2,000–4,000 Hertz , which causes maximum discomfort for the people targeted, as this is the frequency range at human hearing is ...
Sonic the Comic was a British children's comic published by Fleetway Editions between 1993 and 2002. It was the UK's Sega comic, featuring stories about its mascot Sonic the Hedgehog and related characters, as well as comic strips based on other Sega video games, along with news, reviews, and tips for games released for Sega systems.