Interesting Engineering12h
1,150-mile-range Greyshark AUV can detect mines, conduct undersea reconnaissance
Operating at a standard cruising speed of 10 knots and boasting a minimum operational range of 1000 nautical miles, Greyshark ...
New Scientist13h
Millions of phones create most complete map ever of the ionosphere
Researchers mapped Earth’s ionosphere, part of the upper atmosphere, using signal data from 40 million phones – a method that ...
New Scientist1d
Migratory birds can use Earth's magnetic field like a GPS
Eurasian reed warblers don’t just get a sense of direction from Earth’s magnetic field – they can also calculate their ...