Well, any of us who has ever looked through a telescope could say the same, for the two principal types in use today were developed by giants: the refractor by Galileo and the reflector by Newton.

A young Galileo is perched atop the Leaning Tower of Pisa. He is in the middle of his famous experiment—the one in which he shows, by dropping cannonballs of different weights, that all objects ...

Newton’s theory of gravity and Galileo’s description of planetary motion are key components of classical physics. Isaac ...

The Galileo Test draws its name from Galileo's ability to generate revolutionary ideas, such as his heliocentric theory, which changed humanity's perception of the cosmos. The theory states that ...

Equipment: A Galileo's thermometer (a sealed liquid filled glass cylinder containing sealed glass floats labeled 18, 19, 20, 21, 22, 24 and 26 degrees C), a 4 liter ...