News tagged with physical laws

Making quantum cryptography truly secure

Quantum key distribution (QKD) is an advanced tool for secure computer-based interactions, providing confidential communication between two remote parties by enabling them to construct a shared secret key ...

dateJun 14, 2011 in Quantum Physics
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The physics of animation

From drawings to computer animation, the magic of cartoon movies allows audiences to explore a fantastical and imaginary world. To make animated characters life-like on the big-screen, the laws of physics ...

dateJun 14, 2011 in General Physics
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For computer chip builders, only one way to go: Up

In the race to build a faster computer chip, there is literally nowhere to go but up. Today's chip surfaces are packed with the tiniest electronic switches the laws of physics allow, but Intel Corp. says it ...

dateMay 05, 2011 in Hardware
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Physicists study mechanics of 'crackling'

(PhysOrg.com) -- Everywhere around us, things "crackle" -- from Rice Krispies in a puddle of milk, to crumpled pieces of paper, to the Earth's crust from earthquakes. Physics is helping us understand what this familiar noise ...

dateJan 27, 2011 in General Physics
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Best yet test of Lorentz invariance

The more crucial a physical law is, the more important it is to keep testing it. One of the most important laws formulated in the last century or so is Albert Einsteinэs principle of invariance, which says that there ...

dateOct 25, 2010 in General Physics
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Bringing down the electric grid

Last March, the U.S. Congress heard testimony about a scientific study in the journal Safety Science. A military analyst worried that the paper presented a model of how an attack on a small, unimportant part o ...

dateOct 12, 2010 in General Physics
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