About half the size of a football field and 21 stories tall, the largest optical telescope ever constructed will use almost 1,000 mirrors to hunt for exoplanets--and maybe even
unlock the secrets of spacetime.
By Bjorn Carey
Posted 12.17.2007 at 3:00 am 1 Comment
Follow the Light:
The PRIMARY MIRROR collects starlight and reflects it onto MIRROR A, which sends it through the hole in MIRROR C onto MIRROR B. The light then bounces onto the surface of MIRROR C, onto MIRROR D and into the DETECTOR. Kris Holland
Five amazing, clean technologies that will set us free, in this month's energy-focused issue. Also: how to build a better bomb detector, the robotic toys that are raising your children, a human catapult, the world's smallest arcade, and much more.