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Virtual ‘answering machine’ records the real world while you are in VR

6 May 2022

People using virtual reality at work could use a new system to capture what happens around them and play back a 3D reconstruction later

A specially sculpted laser beam created this photorealistic image of a cat From the researcher: The whole image in the camera (CCD), showing the edges of the (Gaussian) beam, where the dark rectangle background (around the cat) shows the edges of the target image we used to imprint the phase. It is easy to notice it, because it is slightly misaligned with the CCD pixels.

Scientists made a laser beam shaped like a photorealistic cat

6 May 2022

Laser beams normally take the shape of a dot, but by manipulating light with liquid crystals, researchers have bent one into the shape of a photo of a cat

Simple webcam test could show whether you lack a mind's eye

5 May 2022

It may soon be possible to diagnose people with aphantasia, the inability to picture images in their head, using a simple test

A woman flees from the polluting foam generated by a river full of waste, at the entrance of her house, in Mosquera, Colombia April 27, 2022. REUTERS/Luisa Gonzalez TPX IMAGES OF THE DAY - RC2RVT90Q4JF

Toxic foam from polluted rivers causes health problems in Colombia

4 May 2022

Clouds of foam containing toxic chemicals are floating through a neighbourhood on the outskirts of Bogotá, and residents say they it is making them sick