Given a 5-liter jug, a 3-liter jug, and an unlimited supply of water, how do you measure out exactly 4 liters? In her book In Code: A Mathematical Journey, Sarah Flannery gives this classic ...

This lovely pair of jugs updates the measuring cup, although they’ll end up being a rather useless investment. Why? Batteries. The SmartMeasure Cup weighs whatever is inside and gives the readout on ...

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This article was originally on a blog post platform and may be missing photos, graphics or links. See About archive blog posts. Some people have perfect pitch. I happen to have perfect volume. I know, ...