Mois : juillet 2019

“It is the world’s first cassette player with Bluetooth 5.0 capability that not only supports traditional 3.5mm headphones but is also compatible with Bluetooth 5.0 headphones or speakers. Whether you are alone or in an open space, you can freely enjoy the penetrating voice and warm sound from the cassette tape.”

Source : IT’S OK

An illustration of a magnified heart on a small person

“A new device, developed for the Pentagon after US Special Forces requested it, can identify people without seeing their face: instead it detects their unique cardiac signature with an infrared laser. While it works at 200 meters (219 yards), longer distances could be possible with a better laser. “I don’t want to say you could do it from space,” says Steward Remaly, of the Pentagon’s Combatting Terrorism Technical Support Office, “but longer ranges should be possible.””

Source : The Pentagon has a laser that can identify people from a distance—by their heartbeat – MIT Technology Review

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