/u/NerdMachine's posts in /r/askscience

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Why are "sun lamps" for Seasonal Affective Disorder blue? Shouldn't they have a warmer, more sun-like colour temperature?

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According to my urologist I can still have fertile sperm in my semen for eight weeks or more after a vasectomy? How is this possible?

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Why are battery-powered vehicles being developed prominently rather than fuel cells power vehicles?

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What is the maximum magnification I could achieve with an infinity megapixel camera?

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It is my perception that people are generally less healthy now than they were in the past ~50 years. Will this result in people dying earlier, or is this offset by improvements in medical technology?

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Is there a way to use household objects to verify that sunglasses actually block UV light?

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When someone dies for an unknown reason what are the steps that occur during an autopsy? What are the signs for some of the most common "mysterious" deaths?

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Why is it that if I leave gas in my lawn mower through winter it goes bad, but countries and investors can keep enormous stockpiles of gas and oil without the same problem?

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Why do smoke detectors take 9v batteries?

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If radar guns detect the fastest moving object in their view, wouldn't they detect the top of the tire rather than the car itself?

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Title	Upvotes	Mark as read	Favorited	Rating	Add to a list
Why are "sun lamps" for Seasonal Affective Disorder blue? Shouldn't they have a warmer, more sun-like colour temperature?	1
According to my urologist I can still have fertile sperm in my semen for eight weeks or more after a vasectomy? How is this possible?	1
Why are battery-powered vehicles being developed prominently rather than fuel cells power vehicles?	1
What is the maximum magnification I could achieve with an infinity megapixel camera?	1
It is my perception that people are generally less healthy now than they were in the past ~50 years. Will this result in people dying earlier, or is this offset by improvements in medical technology?	1
Is there a way to use household objects to verify that sunglasses actually block UV light?	1
When someone dies for an unknown reason what are the steps that occur during an autopsy? What are the signs for some of the most common "mysterious" deaths?	1
Why is it that if I leave gas in my lawn mower through winter it goes bad, but countries and investors can keep enormous stockpiles of gas and oil without the same problem?	1
Why do smoke detectors take 9v batteries?	1
If radar guns detect the fastest moving object in their view, wouldn't they detect the top of the tire rather than the car itself?	1