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Optical device mimics both black and white holes
In the realm of general relativity, black holes are well-known for their ability to trap light and matter by bending ...
Miniature Black Hole? This New Device Swallows and Spits Out Light
A team of researchers has engineered a groundbreaking optical device that mimics the physics of black holes and their ...
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I just tried a new modular camera phone from Xiaomi that uses magnets — and it makes the iPhone look primitive
That's the idea behind Xiaomi’s Modular Optical System (or MOS). MOS was on display here at MWC 2025, and the idea behind this concept device is that you can attach compact camera lenses onto ...
Hackaday14y
A Visual History Of The Computer Mouse
The first pointing device that relied ... The mouse used LEDs and optical sensors along with specialized mouse pads to track the user’s movements. The tech is primitive compared to today ...