Designed to help moderate the negative effects of constantly staring at a bright computer screen, F.lux is software that will change the brightness and temperature of your monitor to be appropriate for your location, time of day and ambient lighting situation.  It was created to help soften the biorhythm disrupting nature of the computer screen – if you've ever stayed up late doing computer work and had trouble getting to sleep, or waking up in the morning, F.lux could help.

The F.lux creator explains:

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