(Phys.org) -- Researchers working in Volcanoes National Park in Rwanda have filmed gorillas dismantling snares set by poachers to catch smaller game. Previously, anecdotal evidence had suggested that silverback gorillas had ...
(PhysOrg.com) -- If you have an Android 2.2 OS smartphone, such as the HTC Nexus One, then you have tethering as part of the base experience. Other users could make tethering an option for themselves by downloading an app, ...
You may want to thank David French in advance. Because, in the event that a comet or asteroid comes hurtling toward Earth, he may be the guy responsible for saving the entire planet.
Space Exploration
Apr 16, 2009
19
0
Our planet exists within the vicinity of thousands of Near-Earth Objects (NEOs), some of which—potentially hazardous asteroids (PHAs)—carry the risk of impacting Earth and causing major damage to infrastructure and loss ...
Space Exploration
Jun 18, 2020
0
189
Universidad Carlos III de Madrid (UC3M) coordinates a European research project, called E.T.PACK, whose objective is the development of a new system for deorbiting space satellites without using on board power and fuel. For ...
Space Exploration
Jun 12, 2019
1
10
(Phys.org) —Space tethers hold intriguing potential for satellite manoeuvring, attitude control and even power generation. But about half of all orbital tether tests have either failed to deploy or snapped, probably due ...
Space Exploration
Apr 2, 2013
0
0
An underwater robot made a splash at a University of Delaware swimming pool recently in a test of the new equipment, which will soon be used in field research by College of Earth, Ocean and Environment (CEOE) scientists.
Earth Sciences
Feb 25, 2013
0
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The electric sail (ESAIL), invented by Dr. Pekka Janhunen at the Finnish Kumpula Space Centre in 2006, produces propulsion power for a spacecraft by utilizing the solar wind. The sail features electrically charged long and ...
Space Exploration
Jan 8, 2013
66
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Recently, the tethered satellite system (TSS) has been used in Earth observations, space interferometry and other space missions, due to its potential merits. The tethered TSAR (tomographic synthetic aperture radar) system ...
Space Exploration
Nov 2, 2023
0
1
How to propel a spacecraft without propellant? Use electrodynamic tethers. These are long, strong conductors connecting two spacecraft. When direct current is applied to the tether, the tether exerts a force on the spacecraft, ...
Space Exploration
Oct 13, 2021
0
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