https://www.youtube.com/watch?v=5fcEntH5a5I
1861- Hans Goldschmidt, inventor of the thermite welding process, is born.
https://m.youtube.com/watch?v=ieEWHsuFM9o
https://m.youtube.com/watch?v=K0CVY7hEsdI
https://m.youtube.com/watch?v=GwWakExas9g
https://m.youtube.com/watch?v=Xep-9a0CcSM
https://m.youtube.com/watch?v=dWHyjD6R0jc
https://m.youtube.com/watch?v=zbdf1Kuu6eY
https://m.youtube.com/watch?v=xS2aAHeu-f8
https://m.youtube.com/watch?v=lsZLPkfTRPE