Rollercoasters are scary. And there's an arms race between theme parks to come up with bigger, faster and wilder rides every year. So why do we love them?

Alex talks about the history, the technology and the fandom of rollercoasters and explores the intersection of fun and fear.

BTWs include puke and syphilis.

In the moment of meta we follow up on last week's challenge: Get a magazine about something you don't normally care about and find something cool in it.

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