In a study published in the journal Archaeological Discovery, researcher Akio Kato from the Department of Mathematics and Physics at Kanagawa University in Japan says the Great Pyramid of Giza is ...

each of the four triangular-shaped sides must slope up and towards each other at the same angle so that they meet at a point at the top. The builders constructed the pyramid layer by layer ...

The four-layer diode was the key to William Shockley's plan to revolutionize AT&T's phone system. It was a great device in theory, but not in practice -- at least not at the time when Shockley ...