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 ...

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 ...

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 ...