By Gregory Mone, Melinda Wenner, Kalee Thompson, Lauren Aaronson and Elizabeth Svoboda
October 3, 2007
![Homebuilt telescopes [foreground] atop Mauna Kea](https://www.popsci.com/wp-content/uploads/2019/03/18/3Y5JXT6QZK3M37INMRKLUVPJ4E.jpg?quality=85&w=485)
