• Member for 3 years, 4 months
  • Last seen more than a month ago
3 answers
29 votes
Can humans ever directly see a few photons at a time? Can a human see a single photon?
8 votes

Technically, we can sense the individual photons. Here is an quote from a cellular biology textbook: "Absorption of a single photon of light induces a conformational change in the rhodopsin molecule, ...

View answer
1 answers
1 votes
Why are cells in blood smears undetectable after absorbing moisture?
2 votes

It might be helpful if you are able to post a picture of what you're seeing, however, it sounds like the blood cells are lysing. The water you introduced to the cells through the moisture in your ...

View answer