New Scientist (RSS Feed) on Nostr: Stealth drone spins so fast that it disappears A drone that spins 25 times a second ...

Stealth drone spins so fast that it disappears

A drone that spins 25 times a second attempts can avoid being spotted by becoming nothing more than a vague blur – though the creators admit that it can still be easily heard

https://www.newscientist.com/article/2579564-stealth-drone-spins-so-fast-that-it-disappears/?utm_campaign=RSS|NSNS&utm_content=home&utm_medium=RSS&utm_source=NSNS