From Youtube, "What started as a simple desire for a better arc lighter got carried away and I ended up making the scariest device I've ever built. In this video I tested a plasma lighter and attempted... continue reading

posted by w1ndex 2 years 1 week ago • 46 views • 26:02

Caesium is an alkali metal and has physical and chemical properties similar to those of rubidium and potassium. The metal is extremely reactive and pyrophoric, reacting with water even at −116 °C (−177... continue reading

posted by Mordhaus 5 years 5 months 2 weeks ago • 715 views • 7:36

YT "Bill shows the world's smallest atomic clock and then describes how the first one made in the 1950s worked. He describes in detail the use of cesium vapor to create a feedback or control loop to control... continue reading

posted by blackfox42 7 years 1 month 4 weeks ago • 544 views • 4:33