Light & Radiation Articles

Too fast to be true

By Stephen Ornes / March 14, 2012
minos1

Human error, not new physics, may explain surprising speeds of tiny neutrinos

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Neutrinos not so fast

By Stephen Ornes / November 9, 2011
neutrino

Scientists say the particles may not outrace light after all

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Breaking the universal speed limit

By Stephen Ornes / October 12, 2011
CERN

Particles appear to race faster than the speed of light

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Like electricity, but magnetic

By Stephen Ornes / March 1, 2011
Charged to move Researchers figured out how to make single magnetic poles (illustrated here) move through a material called spin ice.

Getting magnetic poles on the move makes a new kind of flow

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New waves for safe flying

By Emily Sohn / April 28, 2010

Scientists are perfecting a new generation of airport scanning machines.

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Earth from the inside out

By Stephen Ornes / January 28, 2009

An invisible particle sheds light on the mysterious interior of the Earth

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Understanding electromagnetic radiation

By Janet Raloff / April 8, 2008

Energy travels throughout the universe at the speed of light in the form of electromagnetic radiation. What that radiation is called depends on its energy level. At the really high-energy end of the spectrum, you’ve got gamma rays. You’re probably …

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Undercover detectives

By Jennifer Cutraro / April 8, 2008

T-rays are digitally uncovering everything including potential terrorists, buried images on church walls, and subsurface flaws in the foam used to protect space shuttles.

Posted in Light & Radiation, Technology & Engineering