YouTuber explains why Hollywood explosions look different to those in real life
As cool as it might look (to those who actually do look), this is definitely not one to try at home.
For the latest instalment in his “Things You Might Not Know” series, YouTuber Tom Scott brings in a chartered explosives engineer to talk about Hollywood movie explosions — and specifically, the little tricks they use to make them look all fiery and impressive (and very much not like real life, as Scott demonstrates at the video’s beginning).
“We’ve just blown up one kilo of Semtex 1A, which is PETN-based plastic explosive,” says engineer Stephen Miller after what looks like a fairly underwhelming explosion. “Now that’s real military explosive — so for a Hollywood effect we don’t actually use the Semtex, because it does a lot of damage; it’s designed to do damage for its military purpose. We don’t want that. We want something that looks nice, but does as minimum amount of damage possible.” Read more…