Laser Proximity Sensors use laser beams to detect the presence or absence of objects within a certain range. They are used in security systems, robotics, automation, and industrial processes, where ...

It sure sounds like “laser speckle imaging” is the sort of thing you’d need grant money to experiment with, but as [anfractuosity] recently demonstrated, you can get some very impressive results with ...

This article presents basic design ideas for laser virtual floor markers using inexpensive and readily available components. The laser virtual floor marker introduced here is a specially developed ...

Hearing someone across a crowded room can be close to impossible thanks to the way sound waves spread, but what if we could project audio with the same precision that we can project light? Researchers ...

Breakthroughs, discoveries, and DIY tips sent every weekday. Terms of Service and Privacy Policy. When it comes to slicing into bone, three lasers are better than one ...

They say a picture is worth a thousand words, and by that logic a video must be worth millions. However, from nearly the dawn of photography around 1840, photographers have made fake photographs. In ...