Nov 11, 2019
Happy 11-11! t's Nigel Tufnel Day! If you've seen Spinal Tap, you know that D-minor is the saddest of all keys. You also know that Nigel didn't know the difference between inches and feet, much like the ancient Delians didn't know the difference between length and volume. The Delian Problem, also known as Doubling the...
Nov 4, 2019
If you think that you need a telescope to enjoy our gorgeous November night skies, think again! In 300 BCE Hipparchus invented the astrolabe. It was an all-purpose handy tool used to find the constellations in the night sky, as well as to measure rivers and buildings. If you are interested in learning more about...