It is well-known that Pythagoras’ ancient Greek equation for right triangles: a2+ b2= c2 , is older than ancient Greece. We also know that in Khufu’s pyramid the height equals the radius of a circle ...
Fresh claims of a hidden Da Vinci code in one of the Renaissance master’s most famous drawings are colliding with a new wave ...
In 1965, there was one Spirograph set. Today, there are over 30 different sets to choose from. You can even buy a set that ...