Archive: 8/01/2007

The first molecular keypad lock

How can defense or intelligence agencies safeguard the security of top-secret data protected by a computation device the size of a single molecule?

dateJan 08, 2007 in
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Finding Memory in Nonlinear Ionization

David Rayner and his colleagues at the National Research Council (NRC) of Canada in Ottawa have shown that when transparent solids, such as glass, are ionized with short intense laser pulses the material is subtly changed.

dateJan 08, 2007 in Nanophysics feature
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Hubble Observations Provide Insight into Planet Birth

Hubble observed a "blizzard" of particles in a disk around a young star, revealing the process by which planets grow from tiny dust grains. The particles are as fluffy as snowflakes and are roughly ten times larger than typical ...

dateJan 08, 2007 in Astronomy
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