Alkali metals reacting with water. 2:21 video.
https://www.youtube.com/watch?v=uixxJtJPVXk
Previously:
https://www.homemadetools.net/forum/...268#post214892
https://www.homemadetools.net/forum/...968#post207023
https://www.homemadetools.net/forum/...283#post208139
https://www.homemadetools.net/forum/...414#post200550
https://www.homemadetools.net/forum/...275#post192203
