A cool project to build a high-power digital microscope recently showed up on the instructables website. Ten minutes and twenty dollars may be a little bit optimistic, but the interesting video makes ...

Optical microscopes typically max out at anywhere between 500x to 1,500x magnification, at which point you need to switch to a scanning microscope to zoom any closer. They come with some functional ...

ROCHESTER, Minn. -- Mayo Clinic ophthalmologists have found commercially available Class 3A green laser pointers can cause visible harm to the eye's retina with exposures as short as 60 seconds. The ...

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 ...

In brief: Even though Blu-ray players have been mostly replaced by streaming and video-on-demand services, they can still serve a purpose. A resourceful YouTuber shows he could turn said player into a ...