X-rays ☢

[capwizard]

History of X-rays
https://www.youtube.com/watch?v=fHUzVqoDnts

Creating X-rays with a standard vacuum tube
https://www.youtube.com/watch?v=yLSu...A#t=212.282937

making a miniature X ray tube
https://www.youtube.com/watch?v=-0G4-JicCIw