Sir Isaac Newton once wrote, in what must be one of the most oft-quoted lines in the history of science, "If I have seen further it is by standing upon the shoulders of giants." Well, any of us who ...

PHILADELPHIAPHILADELPHIA — Though it looks like a cardboard tube that got left out in the rain, it’s a priceless instrument whose owner changed the world. The mottled brown cylinder on display at The ...

The telescope began as a relatively simple device, born out of optical experimentation. It combined a series of lenses and mirrors to collect and magnify light, allowing the user to see far away ...

Galileo Galilei built dozens of telescopes back in the 16th Century when he changed the world and sparked a debate between religion and science that's still raging. Only two of the instruments exist ...

Breakthroughs, discoveries, and DIY tips sent every weekday. Terms of Service and Privacy Policy. Galileo Galilei was a ground-breaking astronomer who discovered ...

PHILADELPHIA -- Though it looks like a cardboard tube that got left out in the rain, it's a priceless instrument whose owner changed the world. The mottled brown cylinder on display at The Franklin ...