When we add cream to coffee or a bath bomb to a tub, we see beautiful swirling colours mingling in the liquids. This is a field of study called fluid dynamics, which is just as enigmatic as it is beautiful. Although it’s easy for us to see the way the way things mingle in the …
Editor’s note: This post has been updated and broken links removed. Please see our policy on broken hyperlinks for more. You may have heard that at the rate we’re going, we’re quickly headed toward a lack of fresh water. As the creatures responsible for this planet, we haven’t exactly done the best job of sustaining …