Sunglasses are meant to block out bright sources of light, but how many actually do so. That is, how many actively seek out sources of glare and block them out? Sure, there are those tint-shifting lenses that transition from sunglasses to clear lenses when the wearer moves from brighter to darker environments, but upstart company Dynamic Eye wants to up the ante by creating glasses that actually seek out the source of glare and darken the lens only where necessary.
Of all of C. Montgomery Burns’s nefarious dealings on The Simpsons, perhaps none sticks in the public consciousness like the time he attempted to use a massive shade to block out the sun (most notably because doing so led to his being shot by a vigilante baby and an uncharacteristic two-episode event). But the U.N. may soon put all such plans to blot out the sun – villainous or otherwise – on hold.
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.