How does a gas pump know when the fuel tank i...

This technology is going on a hundred years old, but for reliable voice communication across relatively short distances, walkie-talkies are still relevant -- and sometimes preferable to cell phones. Learn how they work in today's episode of BrainStuff, based on this article: http ...  Show more

This four-legged prehistoric animal had a bony sail on its back and was probably scaly, but it was more closely to related to mammals than it was to dinosaurs. Learn about Dimetrodon and other synapsids in today's episode of BrainStuff, based on this article: https://animals.hows ...  Show more

Using a gas pump is pretty simple: You just push a few buttons and fuel up. But how do they actually work? Join Scott and Ben as they take a closer look at the technology behind the ubiquitous gas pump in this episode.

Using a gas pump is pretty simple: You just push a few buttons and fuel up. But how do they actually work? Listen in as the guys take a closer look at gas pumps.

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For many of us, gasoline is just another everyday thing. It's essential, but we don't give it much thought. But how does it work? What is it made up of? Why are there different "grades" or "types" of gasoline? Let's start it up. ...