Watch This Lenard Tube Demonstration Go Horribly Right

There’s something unsettling about a particle beam illuminating a darkened room with purple fluorescence. In this video, YouTuber clagwell demonstrates his own variation on the Lenard tube, with amazing results. Perhaps it’s the music, or the tube’s strange design, or the fact that the beam in question emits X-rays. But the video, with the electron gun …

Top 5 Minecraft Science Experiments

Sure, the world of Minecraft can be a pretty dark place. Old, abandoned fortresses, strange urban legends, maybe even a Slender Man or two. But the best thing about Minecraft is that it’s effectively a virtual box of LEGOs. You can build whatever you want. Sprawling castles, underground railways, working computers. And, yeah, you and …