The Flip Flap Railroad and Marshmallow Bearings: Citation Needed 7x04

In the second of two shows with guest Matt Parker, we're covering some hair-raising history, and also imagining some little ears flapping in the breeze.

BONUS MATERIAL:    • Accounting Coasters: Citation Needed ...  
FULL PLAYLIST:    • Citation Needed, from the Technical D...  
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Featuring:
Matt Gray: http://mattg.co.uk - @unnamedculprit
Gary Brannan: @garybrannan
and Chris Joel, who doesn't do this social media nonsense

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