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 ...

While some decent lasers are out there for under $400 USD, they tend to be a little small. What if you wanted something a little nicer but didn’t want to jump to the $2,000 category? The answer for ...

I’m not a smoker, and I don’t carry a lighter around in case anyone needs a light. However, I could totally see myself with a miniature laser lighter. In fact, if you want to build one, feel free to ...

The project aims to build a homemade 40W laser engraver/cutter that can result with cheaper cost. The design of the project is an open source type which has the goal of being presented as a low cost ...

This just may be the coolest way to eavesdrop on a conversation. You can now build your own Clear-and-Present-Danger-esque laser microphone using inexpensive materials: By reflecting any type of laser ...