When placed next to a bar magnet, an aluminum ball draws gently towards the magnet. In contrast, a ball made of silver moves out of the magnetic field. The mechanisms underlying these different behaviors are known as paramagnetism ...
General Physics
Nov 22, 2012
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Using a new ultrafast camera, researchers have recorded the first real-time image of two atoms vibrating in a molecule.
General Physics
Mar 7, 2012
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When American space pioneer, Dr Robert L Forward, proposed in 1984 a way of greatly improving satellite telecommunications using a new family of orbits, some claimed it was impossible.
Space Exploration
Jul 26, 2010
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Two places on opposite sides of Earth may hold the secret to how the moon was born. NASA's twin Solar Terrestrial Relations Observatory (STEREO) spacecraft are about to enter these zones, known as the L4 and L5 Lagrangian ...
Space Exploration
Apr 9, 2009
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