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4 questions with no upvoted or accepted answers
1 vote
0 answers
48 views

Do prescription glasses augment or mitigate the effect of the sun on the skin around the eyes directly beneath them (assuming no UV blocking coating)?

The question is about minus correction (nearsightedness), but would also be interesting to know how it differs for plus correction (farsightedness), cylinder correction (astigmatism), axis correction.
Amit's user avatar
  • 39
1 vote
0 answers
58 views

How much heat do we lose perspirating?

How can I calculate the heat my body loses from perspirating? For example, X Jouls per liter of sweat.
John Keeper's user avatar
0 votes
0 answers
24 views

Effects of chromatic aberration in the human eye

Due to metamerism, many different light spectra can be used to show a white colour. If I understand it correctly, it is even possible to make white light by combining only two monochromatic light ...
user13062187's user avatar
0 votes
0 answers
264 views

What are the possible dangers of removing the microwave shielding?

Would removing the shielding from a domestic microwave door allow the microwaves to cause damage to a consumer grade video camera, and if so, what damage would it cause?
Terry's user avatar
  • 183