THE recent discovery of solar radio noise, in the range 30-1,000 megacycles ... will produce electromagnetic radiations the maximum wave-lengths of which are comparable to stellar dimensions.
The lab of Rajalakshmi Nandakumar, assistant professor at the Jacobs Technion-Cornell Institute at Cornell Tech, has developed SoilScanner, which sends radio waves of different frequencies from an ...
A ray gun that uses high-frequency radio waves to take out enemy drones and costs just 10p to fire has been successfully trialled by the British Army. The radio frequency-directed energy weapon ...