radio waves Archives – The Green Optimistic green tech news, since 2008 Fri, 08 Jul 2011 09:56:23 +0000 en-US hourly 1 https://wordpress.org/?v=7.0 2667534 New Inkjet-Printed Antenna Harnesses Energy of Wideband Radio Frequencies https://www.greenoptimistic.com/tentzeris-antenna-radio-harvesting-20110708/ https://www.greenoptimistic.com/tentzeris-antenna-radio-harvesting-20110708/#respond Fri, 08 Jul 2011 09:56:23 +0000 https://www.greenoptimistic.com/?p=19402 Manos Tentzeris, a researcher from the Georgia Tech School of Electrical and Computer Engineering has invented a new type of antenna that could make harnessing the energy of otherwise wasted radio waves more easy and could yield a higher efficiency on a broader range of frequencies.

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]]> https://www.greenoptimistic.com/tentzeris-antenna-radio-harvesting-20110708/feed/ 0 19402 KTAO – Solar Powered Broadcasting Since 1991! – listen here https://www.greenoptimistic.com/ktao-radio-station-solar-power-20081223/ https://www.greenoptimistic.com/ktao-radio-station-solar-power-20081223/#respond Tue, 23 Dec 2008 13:42:15 +0000 https://www.greenoptimistic.com/?p=1427 KTAO is the United States' first radio station powered by solar energy. It has 140 photovoltaic panels that generate enough energy to transmit radio waves 64 km across and across the world through the Internet.

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