665 Results for

frequencies

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Appliance Science: The illuminating physics behind LED lights

LED lights are the latest thing in home lighting, using less energy and lasting longer than their incandescent cousins. How do they work? Find out in the latest installment of Appliance Science.

By November 18, 2014

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FCC plans for smartphones to share military wireless frequency

The government agency looks to open up the airwaves by allowing for civilians to hop on spectrum currently reserved for the Defense Department.

By March 24, 2014

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Correction: Frequency range in Qualcomm electrical wire story

This story incorrectly stated the frequency range of HomePlug AV2.

By October 24, 2013

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Australian wireless microphone frequencies become illegal in 2015

The use of many wireless microphones and transmitters in Australia will be illegal from the start of 2015 thanks to a change in the frequency range.

By September 22, 2013

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These room-friendly 'micro' tower speakers bowled over the Audiophiliac

Kvart & Bolge's Sound Sommelier takes a decidedly fresh approach to high-end speaker design, at a price anyone can afford.

By November 15, 2014

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Musician uses science to help you see sound

A series of sound-visualisation experiments form the basis of the music video for a new single by musician Nigel Stanford.

By November 16, 2014

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Headphone buying guide

In-ear vs. on-ear, circumaural vs. supraaural, open vs. closed back -- shopping for the right pair of headphones can be tough, but CNET's on the job with a buying guide to help you narrow down your choices.

By November 26, 2013

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Watch audio frequencies visualized in sand

When a plate sprinkled with sand vibrates at certain audio frequencies, it creates beautiful, intricate patterns.

By June 7, 2013

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Rosetta's comet is singing, and it sounds like Predator

The Rosetta mission has picked up on a strange "song" being emitted from its comet buddy and it sounds an awful lot like a famous sci-fi alien.

By November 11, 2014

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Happy 100th birthday, Hedy Lamarr, movie star who paved way for Wi-Fi

This actress from Hollywood's Golden Age reminds us of a time when women were some of the leading unsung tech innovators.

By November 9, 2014