The lightsaber is an iconic weapon from the Star Wars franchise, designed in all sorts of shapes and colors. Several fan-made versions have been built as well, quite a few of which use the almost ...

If you’re like us, you’ve never spent a second thinking about what happens when you dunk an ordinary LED into liquid nitrogen. That’s too bad because as it turns out, the results are pretty ...

Hi there, and welcome to Part 3 of this soon-to-be-heralded mega-mini-series. In Part 1, we discussed the first vacuum tube diodes, moved on to their solid-state (semiconductor) descendants, and then ...