In 1971, German mathematicians Schönhage and Strassen predicted a faster algorithm for multiplying large numbers, but it ...
A barograph is a device that graphs a barometer’s readings over time, revealing trends that can predict whether stormy weather is approaching or sunny skies are on the way. This DIY Digital ...
The Pawnee Star Chart is a series of crosses sprinkled around an oval piece of elk skin. Likely made in the early 17th century by the Skiri (also called the Skidi) band of the Pawnee Nation, the chart ...