Runtime on Instagram: "Alteon Energy is building drones that can fly for 417 days straight. To pull this off, they've developed a flight technique called dynamic soaring which harvests and stores energy from wind using wing-mounted turbines. The reason why Alteon is building these drones is to monitor India’s coastline. The idea here is to replace expensive crews at sea with extremely affordable eyes in the sky. Apart from being affordable, drone manufacturing isn't tied to coastal geography the