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Stay­ing up too late glued to the blue glow of your com­puter screen? We’ve got a piece of soft­ware for you. F.lux . We’ve installed it and love it. Cross plat­form — try it and let us know what you think.

stereopsis.com/flux/

f.lux changes the color tem­per­a­ture of your dis­play. Nat­ural light is more blue, while most arti­fi­cial light (includ­ing can­dle­light) is warmer. Incan­des­cent bulbs, which we’re all used to, become more red in tone when you dim them. But newer LEDs and CFLs don’t — this includes the back­light on your mon­i­tor. If you’re a pho­tog­ra­pher, you’ve prob­a­bly dealt with this, since pic­tures taken inside at night are always much more brown than pho­tos outside.