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Then, all "progress" is not!
Lots of material has been and still is developed only to get around some patent.

The curse of knowing things!
You want to see a videos about something to see if you can pick up something new... and all you learn is how little the people making the video really know!

For those who don't know, Nitro cellulose is an explosive and a quite powerful one too, more so than TNT.
It was used in mines and bombs in the days, now only found in UXO (Unexploded ordnance)...