News tagged with momentum

A new telescope probes a young protostar

(Phys.org) —IRAS 16293-2922B is a very young star – a protostar - perhaps only about ten thousand years old. Slightly smaller in mass than our Sun, it is still deeply embedded in its surrounding natal ...

dateApr 03, 2013 in Astronomy
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One material, two types of magnetism

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 ...

dateNov 22, 2012 in General Physics
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Electron microscopes with a twist

Vortex beams, rotating like a tornado, offer completely new possibilities for electron microscopy. A method of producing extremely intense vortex beams has been discovered at the Vienna University of Technology ...

dateNov 05, 2012 in General Physics
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