Always Wondered - How Road Signs Got Their Shapes

In this episode of Always Wondered, buckle up as we decode the different shapes of traffic signs.  Learn why your daily commute feels like an eighth-grade geometry quiz!  Also, during the 1960s Space Race, the US and the Soviet Union weren’t the only players.  Hear the weird story of one country where the “right stuff” was basically “the only stuff available.”  Plus - we reveal the origin of the phrase “the handwriting is on the wall.”  It turns out that ancient doom messages didn’t come on Post-It Notes!  Join host Rick Peterson as he answers more of the questions you’ve Always Wondered about.

Episode metadata supplied by the publisher feed · Published Apr 10, 2026

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Always Wondered - How Road Signs Got Their Shapes

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This episode is 12 minutes long.

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This episode was published on April 10, 2026.

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