Super-intelligent, humanity-destroying A.I., time travel, and liquid metal robots: everything you need for a Terminator movie. But what I want to focus on is why a machine that once looked like Mr. Universe now looks like an aged Governator.

In my latest Because Science, I’m taking a look at why Arnie’s skin might age by exploring how a terminator’s skin stays alive in the first place. It turns out that the answer was right there all along. <Arnold voice>So c’mon, let’s do the science!</Arnold voice>

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