The NASA X-43 was an experimental unmanned hypersonic aircraft with multiple planned scale variations meant to test various aspects of hypersonic flight...

muzzle velocity proving to be about 61 m/s (200 ft/s) faster than the 7.62 x 39. The 6.8mm Remington SPC was designed to perform better in short-barreled...

ACP (Automatic Colt Pistol), also known as .45 Auto, .45 Automatic, or 11.43×23mm is a rimless straight-walled handgun cartridge designed by John Moses...

X43 or X-43 may refer to: Lancashire bus route X43, or The Witch Way, long-standing bus route in England NASA X-43, unmanned experimental hypersonic aircraft...

hypersonic flight time of 140 seconds while under its scramjet power. The X-43 had the previous longest flight burn time of 12 seconds, while setting a...

The X-planes are a series of experimental United States aircraft and rockets, used to test and evaluate new technologies and aerodynamic concepts. They...

The Boeing X-37, also known as the Orbital Test Vehicle (OTV), is a reusable robotic spacecraft. It is boosted into space by a launch vehicle, then re-enters...

Portrait de Metzinger, oil on canvas, 55 x 43 cm Hippolyte Petitjean, 1919, Femmes au bain, oil on canvas, 61.1 X 46 cm, private collection Halftone Klangfarbenmelodie...

Generation X (often shortened to Gen X) is the demographic cohort following the Baby Boomers and preceding Millennials. Researchers and popular media...

Generation X #34 Generation X #39 Generation X #45 Generation X #25 (1997) Generation X #60–61 Generation X #12 X-Factor vol. 1 #200 X-Men vol. 4 #1 X-Men vol...