If you’ve ever experienced the frustration of trying to get a fire started at your campsite after a long day on the trail, you’ll certainly be able to appreciate the latest gadget from Power Practical ...

Looking for a neat trick to do with your Tesla coil? [The Action Lab] uses his coil to make a metal plasma — in particular, sodium. You can see the results in the video below. To create a metal plasma ...

The ancient Greek god Zeus was said to be able to throw lightning bolts; Nikola Tesla emulated this with his Tesla coil design on a grand scale. But is this device a great invention, a novelty or just ...