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Cool S. The Cool S, also known as the Universal S, the Stüssy S, the Super S, the Pointy S, the Banksy S, the Surfer’s S, and the Graffiti S, is a graffiti sign in popular culture and childlore that is typically doodled on children's notebooks or graffitied on walls. The exact origin of the Cool S is unknown, [ 1] but it became prevalent ...
Sonic the Hedgehog (character) Sonic the Hedgehog [a] is a character created by the Japanese game developers Yuji Naka and Naoto Ohshima. He is the star of the Sonic the Hedgehog franchise and the mascot of the Japanese video game company Sega. Sonic is an anthropomorphic blue hedgehog who can run at supersonic speeds.
Ultrasonic welding of thin metallic foils. The sonotrode is rotated along the weld seam. Ultrasonic welding is an industrial process whereby high-frequency ultrasonic acoustic vibrations are locally applied to work pieces being held together under pressure to create a solid-state weld. It is commonly used for plastics and metals, and especially ...
Sonic Adventure[ a] is a 1998 platform game developed by Sonic Team and published by Sega for the Dreamcast. It was the first main Sonic the Hedgehog game to feature 3D gameplay. It follows Sonic the Hedgehog, Miles "Tails" Prower, Knuckles the Echidna, Amy Rose, Big the Cat, and E-102 Gamma in their quests to collect the Chaos Emeralds and ...
Sound art. Sound art is an artistic activity in which sound is utilized as a primary medium or material. Like many genres of contemporary art, sound art may be interdisciplinary in nature, or be used in hybrid forms. [1] According to Brandon LaBelle, sound art as a practice "harnesses, describes, analyzes, performs, and interrogates the ...
The SAI Quiet Supersonic Transport is a 12-passenger design from Lockheed Martin that is to cruise at Mach 1.6, and is to create a sonic boom only 1% as strong as that generated by Concorde. [50] The supersonic Tupolev Tu-444 or Gulfstream X-54 have also been proposed.
Supersonic speed is the speed of an object that exceeds the speed of sound ( Mach 1). For objects traveling in dry air of a temperature of 20 °C (68 °F) at sea level, this speed is approximately 343.2 m/s (1,126 ft/s; 768 mph; 667.1 kn; 1,236 km/h). Speeds greater than five times the speed of sound (Mach 5) are often referred to as hypersonic.
The Boeing Sonic Cruiser was a concept jet airliner with a delta wing – canard configuration. It was distinguished from conventional airliners by its delta wing and high- subsonic cruising speed of up to Mach 0.98. Boeing first proposed it in 2001, but airlines generally preferred lower operating costs over higher speed.