Barns Are Painted Red Because of the Physics of Dying Stars

via Principia Scientific International
http://ift.tt/1kjWLPW

Have you ever noticed that almost every barn you have ever seen is red? There’s a reason for that, and it has to do with the chemistry of dying stars. Seriously. Yonatan Zunger is a Google employee who decided to explain this phenomenon on Google+ recently. The simple answer to why barns are painted red […]

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via Principia Scientific International http://ift.tt/1kjWLPW

June 27, 2017 at 01:46PM