MacGyver Season 1 Episode 20 Science Notes: Hole Puncher

Fake Blood

How do you make it look like you killed someone? Fake blood would help. MacGyver mixes up a batch using cocoa mix and some fruit punch.

Here is another recipe.

Fog Machine

MacGyver needs some smoke or something like that so he can elude the bad guys. In this case, he is going to use the water in the pool to make a giant humidifier.

OK, this isn’t smoke. It’s water vapor—water in a gas state. You can see through water vapor, because it’s in the air right now (hopefully). However, when the water vapor condenses out of the air, it makes tiny drops of water. These tiny drops of water reflect light to give a similar appearance to smoke.

But how do you make water vapor from a pool? One way is to use a spinning rod. If you put a rod that spins very fast in the water, some of the water will interact with the spinning rod. If the rod is spinning fast enough, then this water will get “flung” into the air.

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