Dave Leake teaches ciLiving host, Jaclyn Friedlander how telescopes work Join us as we explore the fascinating world of ...

Refractor to reflector, Schmidt-Cassegrain to Maksutov-Cassegrain - this is everything you need to know about the different types of telescopes. When you purchase through links on our site, we may ...

Funhouse mirrors help us learn about light and reflection. Mirrors are used for more than checking your face in the morning. Scientists have lots of uses for mirrors. Find out more about the different ...

The Laser Interferometer Gravitational-Wave Observatory (LIGO) uses lasers and mirrors to look for black holes across the ...