What Is The Liquid In A Spirit Level? (And Why Is It Green?)
A spirit level is a must if you want your home to have straight, even lines, but what is that bright-green liquid inside the ...
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How the color of St. Patrick’s Day went from blue to green
Bryan McGovern, Kennesaw State University (THE CONVERSATION) St. Patrick’s Day usually conjures images of partying, Catholicism, Irish nationalism and, perhaps most famously, the color green: green ...