radio waves

Video: Remembering Arecibo Observatory

By Lisa McDonald / December 2, 2020

On Dec. 1, 2020, the instrument platform of the Arecibo Observatory in Puerto Rico collapsed on the radio dish below. In honor of the observatory’s nearly 60-year run, today’s CTT highlights some of the important discoveries made using data collected from the radio telescope.

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Video: Tiny devices deliver drugs, treat diseases through wireless technology

By Faye Oney / June 13, 2018

Researchers have developed a technology to power tiny implantable devices that could be used to monitor medical conditions or treat diseases from inside the human body. The technology uses radio waves, rather than batteries, to power and communicate with the devices.

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Science of ‘invisibility cloaks’ has real possibilities—and real limitations

By Stephanie Liverani / July 8, 2016

Researchers at the Cockrell School of Engineering at The University of Texas at Austin say they’ve quantified fundamental physical limitations on the performance of cloaking devices, a technology that allows objects to become invisible or undetectable to electromagnetic waves.

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