glasses. no, not the kind you wear on your face. I'm talking about the ones you use to drink liquids. (
generally, room temperature or cool liquids. you might be thinking about mugs. we are not.) maybe you would call them
cups. they are sometimes made out of other materials, but let's face it, the
best ones are made of glass--they last longer and are easy to clean.
did we mention refraction?
the good invention spotlight is a series here on frank's new blog with the humble mission of recognizing useful everyday inventions that people may take for granted. it begs the question: how did people ever make do without? we certainly couldn't.
-frank
*embedded Instagram post replaced with image file 2018/12/11*
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