Stardust NExT set to meet its second comet

Stardust NExT must love comets. On Valentine’s Day the spacecraft will get up close and personal with its second.
It’s been seven years since the original Stardust danced with Wild 2 out beyond the orbit of Mars, capturing a thimbleful of co…

Nanodevice breaks 1-GHz barrier

Nanoscientists have achieved a milestone in their burgeoning field by creating a device that vibrates a billion times per second, or at one gigahertz (1 GHz). The accomplishment further increases the likelihood that tiny mechanical devices working at the quantum level can someday supplement electronic devices for new products.

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