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Regarding sleep quality, why did humans evolve to require full darkness?

I know evolution is governed by chance and it is random but does it make sense to "ruin" sleep if there's light? I mean normally, outside, you never have pure darkness, there are the moon and stars even at night. In certain zones of the Earth we also have long periods of no sunshine and long periods of only sunshine....

Is there an easy way to generate a list of CMYK color values that will appear identical to the human eye under 589nm light?

I picked up a low pressure sodium lamp and am working on a Halloween demonstration. I’m hoping to make a display that appears one way under normal light, but looks totally different under the monochromatic 589nm sodium vapor light....

Can someone give me adivice on how/where to get back into star trek?

As a kid i loved watching the next generation and deep space 9 with my dad. Ive always liked sci fi, more of a (stargate fan) and wanted to get back into star trek, but Im just so lost on timelines and whats going on. There are like 6 kirks and I have no idea how/where to get started with watching this again.

Workers are not valuable

So, I just need to rant for a minute about what’s just happened. It’s made me feel fairly disposable as a worker. I work in I.T. support. I help people who can’t operate technology with highly complicated issues. I am highly skilled, well trained and I have a diverse set of understanding for technical issues....

Neelix calling Tuvok "Mr.s Vulcan" Is actually Tuvok's fault!

I rewatched the first episode of Voyager, and when Neelix first comes aboard the ship, he marvels at the great culture that created it. Tuvok says something along the lines of “The Federation is made up of many cultures. I am Vulcan”. A few scenes later, Neelix calls Tuvok “Mr. Vulcan”, and Tuvok does not correct him....

Would You Try New Pastimes If Star Trek Level Medical Care Was Available?

Star Trek’s level of medical care is far more advanced than today’s. As Beckett says in LD, “Doc will wave a light over it.” Yet, in Star Trek people aren’t shown doing hobbies and pastimes that are much different from what’s done now. Still, I wonder about differences in a society where people know they won’t be...

Why do many microwave ovens hum in an interval of a minor 7th?

Something that I’ve noticed across most of the microwave ovens that I’ve used is that when they hum while cooking food, I can pick out 2 distinct tones. One of them is pretty clearly 60 120 hz, the 2nd harmonic of the AC power frequency. The other is consistently a minor 7th above that (which would be somewhere around...

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