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Do City Delivery Drones Make Sense? No One Knows, but They’re Flying Over NYC

It’s a bird, it’s a plane, it’s a six-propeller flying vehicle with a nearly eight-foot wingspan. For the next year, delivery drones operated by the British company Skyports are taking daily weekday trips across New York City’s East River, between…

There has been a sudden increase in the rate of sea level rise

Ho Chi Minh City in Vietnam is increasingly vulnerable to flooding because of rising sea levels Getty Images There has been an abrupt change in the rate of sea level rise as measured by satellites. Around 2012, it suddenly accelerated…

How to free up space on your phone and avoid the dreaded ‘storage full’ messages

Get the Popular Science daily newsletter Breakthroughs, discoveries, and DIY tips sent six days a week. You never want to see a ‘storage full’ message pop up on your phone. It means you’re not going to be able to install…

“Cannot be explained” – New ultra stainless steel stuns researchers

A stainless steel breakthrough from the University of Hong Kong (HKU) could help solve one of the biggest problems facing green hydrogen: how to build electrolyzers that are tough enough for seawater, yet cheap enough for large scale clean energy….

GM Agrees To Pay $12.75 Million To Settle California Lawsuit Over Misuse Of Customers’ Driving Data

Smith Collection/gado/Getty Images Following its settlement with the FTC earlier this year over its sale of drivers’ data to brokers, General Motors has now also reached a settlement in California. The company…

Ashnymph’s Childhood EP is exhilarating dance goth rock

I’ve got to thank my oldest friend and concert buddy, Tim, for turning me on to this one. Ashnymph is a London band that blends post-punk melodies with Krautrock rhythms and industrial grime. Their debut EP, Childhood, drifts between dreamy…

TechCrunch Mobility: Lime’s IPO gamble

Welcome back to TechCrunch Mobility, your hub for the future of transportation and now, more than ever, how AI is playing a part. To get this in your inbox, sign up here for free — just click TechCrunch Mobility! After…

Could Contact-Tracing Apps Help With the Hantavirus? Not Really

After three people died on a cruise ship struck by a hantavirus, authorities are actively tracking down 29 people who had left the ship. They’re trying to trace the spread of the virus. It’s a long, arduous, global process to…

Tiny ‘metajets’ could use light to steer sails for interstellar travel

An artist’s impression of a light sail RICHARD BIZLEY/SCIENCE PHOTO LIBRARY Interstellar travel propelled by light just got one step closer. Light sails, which are huge sheets pushed along by light that bounces off of them, may be the best…

The best way to test your dog’s intelligence, according to science

Get the Popular Science daily newsletter Breakthroughs, discoveries, and DIY tips sent six days a week. If you’ve spent any time on TikTok lately, you’ve probably seen the smart dog wall test. Someone scoops up their dog (or cat!), carries…