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Alphabet’s Drone Unit Partners With FedEx And Walgreens For Drone Deliveries

Alphabet’s Drone Unit Partners With FedEx And Walgreens For Drone Deliveries

After being the first drone operator to be granted its Air Carrier Certification in the U.S. earlier this year in April, Wing (a subsidiary of Alphabet) has partnered with America’s FedEx, Walgreens and local craft goods retailer Sugar Magnolia to conduct a “first-of-its-kind” drone delivery trial later this spring.

Why Do Aeroplane Wings Curl Up At The End?

Why Do Aeroplane Wings Curl Up At The End?

Have you ever noticed that aeroplane wings curl up at the very end? Why is that? Called winglets, the curled tips shrink the vortices at the end of the wing, which in turn improves its fuel efficiency.