Facebook ready to test giant drone for Internet service

droneMENLO PARK, Calif. –  Facebook says it will begin test flights later this year for a solar-powered drone with a wingspan as big as a Boeing 737, in the next stage of its campaign to deliver Internet connectivity to remote parts of the world.

Engineers at the giant social network say they’ve built a drone with a 140-foot wingspan that weighs less than 1,000 pounds.

Designed to fly at high altitudes for up to three months, it will use lasers to send Internet signals to stations on the ground.  More

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