Wireless energy transmission has taken a significant step forward with the recent demonstration by the United States Defense Advanced Research Projects Agency (DARPA), which successfully transmitted over 800 watts through a laser beam over 8.6 kilometers, setting a new record.
This advancement was made as part of the Persistent Optical Wireless Energy Relay (POWER) program, which seeks to overcome historical challenges in providing efficient energy to hard-to-reach areas, a critical problem in both military and humanitarian emergencies. The manager of the POWER program, Paul Jaffe, stated that this test far exceeds the previously accepted limits for optical energy transmission.
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