A Russian space probe aiming to land on a Mars moon was stuck circling the Earth after equipment failure Wednesday, and scientists raced to fire up its engines before the whole thing came crashing down.
Space Exploration
Nov 9, 2011
83
0
An unmanned spacecraft bankrolled by Amazon.com Inc. CEO Jeff Bezos failed during a recent test flight.
Space Exploration
Sep 3, 2011
31
0
The seeds that drop from maple trees each fall, whirring softly to the ground like silent one-winged helicopters, are the inspiration for a new kind of flying machine that could be useful for military information-gathering.
Robotics
Aug 15, 2011
39
0
The best way for autonomous machines, networks and robots to improve in future will be for them to publish their own upgrade suggestions on the Internet. This transparent dialogue will help humans to both guide and trust ...
Engineering
Jul 15, 2011
3
0
Looking like something straight from a 1950’s science fiction magazine, the stealthy Phantom Ray unmanned airborne system (UAS) successfully completed its first flight on April 27, 2011 at NASA’s Dryden Flight Research ...
Engineering
May 4, 2011
41
0
(PhysOrg.com) -- University of Arizona aerospace and mechanical engineers are studying bird and bee flight to develop unmanned vehicles that stay aloft longer and cope with sudden and severe changes in airflow.
Engineering
Feb 8, 2011
4
0
The UA College of Engineering's Hybrid Dynamics and Control Laboratory is developing mathematical analysis and design methods that could radically advance the capabilities of unmanned aircraft and ground vehicles, as well ...
Engineering
Feb 2, 2011
0
0
The Naval Research Laboratory's Ion Tiger, a hydrogen-powered fuel cell unmanned air vehicle (UAV), has flown 26 hours and 1 minute carrying a 5-pound payload, setting another unofficial flight endurance record for a fuel-cell ...
Energy & Green Tech
Nov 30, 2009
2
0
The Naval Research Laboratory's Ion Tiger, a hydrogen-powered fuel cell unmanned air vehicle (UAV), has flown 23 hours and 17 minutes, setting an unofficial flight endurance record for a fuel-cell powered flight.
Energy & Green Tech
Oct 13, 2009
2
0
Miscanthus is one of the most promising perennial crops for bioenergy production since it is able to produce high yields with a small environmental footprint. This versatile grass has great potential to perform even better, ...
Agriculture
Nov 4, 2022
0
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