When you're trekking through the great outdoors in the middle of the night, you need your hands free for reading maps, clearing obstacles, and fighting off bears. So Petzl's new Nao headlamp makes all the brightness and focus adjustments for you. More »

Read more: http://feeds.gawker.com/~r/gizmodo/full/~3/hQNfvSJA_64/self+adjusting-headlamp-knows-if-you-want-to-see-near-or-far