Gallium reaction with aluminum. 3:12 video.
https://www.youtube.com/watch?v=Vk787_Jz_h0
Previously:
https://www.homemadetools.net/forum/...288#post150284
https://www.homemadetools.net/forum/...909#post179448
https://www.homemadetools.net/forum/...571#post205550
https://www.homemadetools.net/forum/...477#post162263
https://www.homemadetools.net/forum/...629#post189889
