Hypersonic vehicles, which fly at Mach values larger than five (flight velocity more than 6000 km/h), could provide more convenient and efficient transportation than present subsonic airplanes for long-distance journeys in ...
Engineering
Jan 24, 2018
1
46
Scientists say they've figured out why an Austrian who became the first skydiver to break the speed of sound fell faster than the drag of his body should have allowed.
General Physics
Dec 14, 2017
0
27
Lawrence Livermore National Laboratory (LLNL) researchers, as part of a Navistar SuperTruck I team, helped design a new type of tractor-trailer truck that significantly improves fuel economy.
Energy & Green Tech
May 9, 2017
0
226
Scientists and teachers have combined to develop a simple spreadsheet-based method of teaching aerodynamic drag to 14 and 15 year olds. By measuring the speed of one of their classmates riding a bike and taking a photo in ...
General Physics
Dec 10, 2015
0
27
Obtaining the aerodynamic properties necessary to simulate falling leaves or a tumbling box caught by the wind can be as simple as dropping the object off of a balcony and recording the fall, thanks to OmniAD, a data-driven ...
Computer Sciences
Aug 5, 2015
0
49
The developer of the commercial spacecraft that broke apart during a test flight over California's Mojave Desert last year failed to protect against human error, specifically the co-pilot unlocking a braking system too quickly ...
Space Exploration
Jul 28, 2015
0
32
Each year, the more than 2 million tractor-trailer trucks that cruise America's highways consume about 36 billion gallons of diesel fuel, representing more than 10 percent of the nation's entire petroleum use. That fuel consumption ...
General Physics
Nov 25, 2014
0
0
I'd like to say that it's not every day you get asked to try to break a world record with a speed-obsessed truck mechanic from Grimsby, but for us at the Centre for Sports Engineering Research it's starting to become a bit ...
Engineering
Nov 19, 2014
1
2
Federal investigators who have been in the Mojave Desert trying to find out why an experimental spaceship crashed are wrapping up their work in Southern California.
Space Exploration
Nov 7, 2014
0
0
Federal accident investigators say that tiny pieces of an experimental spaceship that broke up in flight have been found 35 miles from the main wreckage area.
Space Exploration
Nov 4, 2014
0
0
