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MacGyver Science: Barn Find + Engine Oil + La Punzonatura + Lab Rats + Tachometer

Rhett Allain
6 min readApr 11, 2021

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DIY Epoxy Putty

MacGyver, Riley, and Bozer are on a ship — and that ship is in trouble. It’s sinking. In order to seal some leaks, MacGyver makes some epoxy putty. He uses: olive oil, sand, epoxy resin, and shampoo.

He’s actually trying to make something like this epoxy putty.

Here is a DIY putty (clay) that is similar.

But the bad news — it doesn’t work. Something went wrong.

What Went Wrong?

MacGyver is trying to figure out why the epoxy putty failed. If you’ve watched the show, you know the reason. He’s losing feeling in his hands. When he was mixing it, he couldn’t correctly feel the texture and the temperature. Yes, epoxy gets hot when it reacts.

MacGyver thinks that it’s possible he miscalculated Gibbs free energy. So, what the heck is Gibbs free energy? When you have a thermodynamic reaction…

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Rhett Allain
Rhett Allain

Written by Rhett Allain

Physics faculty, science blogger of all things geek. Technical Consultant for CBS MacGyver and MythBusters. WIRED blogger.

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