News tagged with microwave radiation

NIST ships first programmable AC/DC 10-volt standard

Extending its 26-year tradition of innovative quantum voltage standards, researchers at the National Institute of Standards and Technology (NIST) have begun shipping a new 10-volt standard to users around the world. The programmable ...

dateOct 27, 2010 in Engineering
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Ripples in the cosmic background

(PhysOrg.com) -- The universe was created 13.73 billion years ago in a blaze of light -- the big bang. We also think that, about 380,000 years later, after matter (mostly hydrogen atoms) had cooled enough for neutral atoms ...

dateSep 07, 2010 in Astronomy
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