US DOW invests in wireless laser self-charging tech to keep autonomous drones airborne almost indefinitely — ARC can deliver 'kilowatt-class' power to units 5,000 ft away

<p>Christian Cawley has extensive experience as a writer and editor in consumer electronics, IT and entertainment media. He has contributed to TechRadar since 2017 and has been published in Computer Weekly, Linux Format, ComputerActive, and other publications. </p><p>Beyond TechRadar, he heads up the team at smart home website Matter Alpha, and writes about retro gaming at Gaming Retro.