In this project, we create a joystick-controlled laser by connecting two servos to a joystick and using this setup as a pan-and-tilt controller for a ...

There are approximately a zillion DIY laser engraver tutorials on the Web, but of all the homemade builds we've come across, this one from Instructables user MichielD99 is definitely one of the best.

Check out the Einstein head which [Sebastian Müller] etched on the cover of his calculator using a laser engraver he made from scratch. We think he did a great job with the build, but we’re e… ...

Figuring out how to keep pets entertained can be quite tiring. No, you don’t really feel like playing catch with your dog after a long day at work, or dangling strings in front of your cat to ...

Smart home automation is the ultimate life hack, in my humble opinion. Whether for efficiency, accessibility, nerding out, or just plain laziness, all you need are smart home devices and a little ...

DIY Laser Safety: How to Test Pointers and Save Your Eyes In the last 20 years, green lasers have shrunk from table-size lab equipment to pocket-portable presentation tools (not to mention cat toys).

To make a laser, you need a lasing medium — some material that emits light when it is stimulated by energy. Further, that light needs to be a single wavelength, and all the light waves need to ...