This is good.

December 17, 2014 by Alan Stainer

This is good.

h/t David Mantel

Originally shared by Cate Foley

Low-Budget Electric Toy Train Proves That Science Is Awesome!

http://www.10pm.com/low-budget-electric-toy-train-proves-science-awesome/?utm_content=bufferbdb7e&utm_medium=social&utm_source=plus.google.com&utm_campaign=buffer

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