Testing the Equivalence Principle

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Modern tests of the Equivalence Principle. Credit: NASA
Modern tests of the Equivalence Principle. Credit: NASA

Standing on the Moon in 1971, Apollo 15 astronaut Dave Scott held his hands out at shoulder height, a hammer in one hand and a feather in the other. And as the world looked on via live television, he let go.


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All News summaries for May 21, 2007

New Membrane Model May Unlock Secrets of Early-Stage Alzheimer's

12 hours ago | User rating: not rated yet
Researchers at the National Institute of Standards and Technology and three collaborating institutions are using a new laboratory model of the membrane surrounding neurons in the brain to study how a protein ...

Sandia to Demonstrate Hyperspectral Confocal Fluorescence Microscope

Jul 23, 2008 | User rating: not rated yet
Sandia National Laboratories will demonstrate a new hyperspectral confocal fluorescence microscope Friday, Aug. 8 from 9 a.m.-2 p.m. MDT in Bldg. 897 on Kirtland Air Force Base. This patent-protected and patent-pending technology ...

A 'New Dimension' at the LHC

Jul 22, 2008 | User rating: not rated yet
(PhysOrg.com) -- Later this year, the world's largest and most powerful particle accelerator, the Large Hadron Collider near Geneva, Switzerland, will begin operating, sending beams of protons hurling around circular tracks ...

Physicists shed light on key superconductivity riddle

Jul 21, 2008 | User rating: not rated yet
(PhysOrg.com) -- MIT physicists believe they have identified a mysterious state of matter that has been linked to the phenomenon of high-temperature superconductivity.

Exotic materials using neptunium, plutonium provide insight into superconductivity

Jul 21, 2008 | User rating: not rated yet
Physicists at Rutgers and Columbia universities have gained new insight into the origins of superconductivity – a property of metals where electrical resistance vanishes – by studying exotic chemical compounds that contain ...
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