Building a better refractor The spyglass-turned-telescope had limitations, some of which Galileo was able to design around. To reduce distortions such as elongations and blurriness caused by the ...

After replicating Lippershey's "looker," Galileo set about improving the design. He built increasingly powerful telescopes, ultimately building devices capable of magnifying the cosmos to 30 times ...

Galileo Galilei was the founder of modern physics ... And he succeeded in making a telescope of the sort familiar to everyone today who has seen an elementary book on optics.

Galileo Galilei was born on February 15 ... Galileo soon developed the strongest telescope the world had ever seen, and would prove the Church wrong. Though he had many breakthroughs in physics ...