News tagged with radio

Transmitting wireless data on higher frequencies

Everything we do that requires a wireless connection uses the radio spectrum. We're able to harness radio waves to listen to music in the car or stream Netflix from the 4G network on our smartphones. Each ...

dateJan 27, 2015 in Telecom
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Swirling electrons in the whirlpool galaxy

The whirlpool galaxy Messier 51 (M51) is seen from a distance of approximately 30 million light years. This galaxy appears almost face-on and displays a beautiful system of spiral arms.

dateAug 20, 2014 in Astronomy
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Streaming revenue edges out CDs in US

Streaming has topped CD sales in revenue for the first time in the United States as music listeners flock to on-demand services and Internet radio, industry figures showed.

dateMar 19, 2015 in Internet
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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 ...

dateNov 18, 2013 in Nanophysics
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