You can forget about hanging it from your belt, because this miniature sun — masquerading as a flashlight — is heavy enough to need two hands to operate. And with 15,000 lumens, the XM18 is bright enough to illuminate a small planet.
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.
Had I been subjected to the same nightmarish labyrinth featured in the Portal games, I would have preferred a more substantial reward than cake at the end anyway. Like these adorable light and sound keychains.