![Acoustics: sonic phenomena and musical instruments. Coloured engraving by J. Emslie, 1850, after himself.]()
Acoustics: sonic phenomena and musical instruments. Coloured engraving by J. Emslie, 1850, after himself.![NASA F-15B #836 in flight with Quiet Spike attached, September 27th, 2006. Original from NASA. Digitally enhanced by…]()
NASA F-15B #836 in flight with Quiet Spike attached, September 27th, 2006. Original from NASA. Digitally enhanced by…![NASA's F-15B testbed aircraft in flight. Original from NASA. Digitally enhanced by rawpixel.]()
NASA's F-15B testbed aircraft in flight. Original from NASA. Digitally enhanced by rawpixel.![A former Sonic drive-in restaurant, now (as of 2021) closed and abandoned in St. Joseph, the…]()
A former Sonic drive-in restaurant, now (as of 2021) closed and abandoned in St. Joseph, the…![Head-on view of NASA's SR-71B on the ramp at the Air Force's Plant 42 in Palmdale, California. July 24th, 1991. Original…]()
Head-on view of NASA's SR-71B on the ramp at the Air Force's Plant 42 in Palmdale, California. July 24th, 1991. Original…![The single-seat F-16XL, NASA 849, joins up with an SR-71A, NASA 844, as crews set up for one of the flights in the recent…]()
The single-seat F-16XL, NASA 849, joins up with an SR-71A, NASA 844, as crews set up for one of the flights in the recent…![Supersonic Transport Model in the shop of the Ames 40x80 Foot Wind Tunnel, Apr 6th,1961. Original from NASA. Digitally…]()
Supersonic Transport Model in the shop of the Ames 40x80 Foot Wind Tunnel, Apr 6th,1961. Original from NASA. Digitally…![NASA's F-15B testbed aircraft in flight during the first evaluation flight of the joint NASA/Gulfstream Quiet Spike project.…]()
NASA's F-15B testbed aircraft in flight during the first evaluation flight of the joint NASA/Gulfstream Quiet Spike project.…![Boeing SST Model Mounted in Ames 40x80 Foot Wind Tunnel, overhead view. May 31st,1965. Original from NASA. Digitally…]()
Boeing SST Model Mounted in Ames 40x80 Foot Wind Tunnel, overhead view. May 31st,1965. Original from NASA. Digitally…![NASA F-15B #836 landing with Quiet Spike attached. Original from NASA. Digitally enhanced by rawpixel.]()
NASA F-15B #836 landing with Quiet Spike attached. Original from NASA. Digitally enhanced by rawpixel.![North American F-100 C airplane used in sonic boom investigation at Wallops. Original from NASA. Digitally enhanced by…]()
North American F-100 C airplane used in sonic boom investigation at Wallops. Original from NASA. Digitally enhanced by…![NASA F-15B #836 in flight with Quiet Spike attached, September 27th, 2006. Original from NASA. Digitally enhanced by…]()
NASA F-15B #836 in flight with Quiet Spike attached, September 27th, 2006. Original from NASA. Digitally enhanced by…