News tagged with speed of light

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How black holes change gear

( -- Black holes are extremely powerful and efficient engines that not only swallow up matter, but also return a lot of energy to the Universe in exchange for the mass they eat. When black holes attract mass they ...

dateJun 07, 2012 in Astronomy
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First, fast, and faster

( -- Scientists in PML's Quantum Measurement Division have produced the first superluminal light pulses made by using a technique called four-wave mixing, creating two separate pulses whose peaks propagate faster ...

dateApr 06, 2012 in Optics & Photonics
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New picture of atomic nucleus emerges

( -- When most of us think of an atom, we think of tiny electrons whizzing around a stationary, dense nucleus composed of protons and neutrons, collectively known as nucleons. A collaboration between the U.S. ...

dateMar 02, 2012 in General Physics
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