After 20 years of development, problems with funding, lawsuits, and an arduous 25-mile journey to cart its key parts uphill, the $102 million Large Binocular Telescope is finally complete. The telescope, an internationally-run observatory that points skyward from a mountaintop in southern Arizona, has already captured some beautiful images, including the spiral galaxy pictured to the left, which is 102 million light years away from Earth.
single pageFive 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.


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