The U.S. military has set a new record for wireless power transmission, beaming a laser carrying more than 800 watts of power across a distance of 5.3 miles (8.6 kilometers). The test, performed by the U.S. military’s Defense Advanced Research Projects Agency (DARPA) as part of its Persistent Optical Wireless Energy Relay (POWER) program, is … Continue reading DARPA smashes wireless power record, beaming energy more than 5 miles away