News tagged with radio

No signals from newest Kepler planet

A newly discovered planet has been observed with the Allen Telescope Array in a search for radio signals that would betray technically sophisticated inhabitants, but no transmissions have been detected.

Jan 07, 2015
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Engineers make world's smallest FM radio transmitter

A team of Columbia Engineering researchers, led by Mechanical Engineering Professor James Hone and Electrical Engineering Professor Kenneth Shepard, has taken advantage of graphene's special properties—its mechanical strength ...

Nov 18, 2013
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High-speed jets from a possible new class of galaxy

Seyfert galaxies are similar to spiral galaxies except that they have extraordinarily prominent, bright nuclei, sometimes as luminous as 100 billion Suns. Their huge energies are thought to be generated as ...

Jan 19, 2015
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Writing the history of the 'Cosmic Dark Ages'

For millions of years after the Big Bang, there were no stars, or even galaxies to contain stars. During these "Cosmic Dark Ages," neutral hydrogen gas dominated the universe. When clouds of primordial hydrogen ...

Sep 02, 2013
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