Hi Tech & Innovation

In pandemic, using drones to drop medical supplies from sky

With a loud whir and a whoosh, a fixed-wing drone slingshots out of a medical warehouse, zips through hazy skies at 80 mph, pops open a belly hatch and drops a box of medical supplies. Slowed by a little parachute, the box ...

Robotics

Bioinspired micro-robot based on white blood cells

A team of scientists from the Max Planck Institute for Intelligent Systems (MPI-IS) in Stuttgart invented a tiny micro-robot that resembles a white blood cell traveling through the circulatory system. It has the shape, the ...

Business

Uber loses $2.9 billion, offloads bike and scooter business

Uber lost $2.9 billion in the first quarter as its overseas investments were hammered by the coronavirus pandemic, but the company is looking to its growing food delivery business and aggressive cost-cutting to ease the pain.

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