3 ms·
That's why our fonts can be so small! At night, though (or in low light) the cones in fovea are useless and peripheral vision becomes more important.
by ristretto 15y ago
That's why our fonts can be so small! At night, though (or in low light) the cones in fovea are useless and peripheral vision becomes more important.
- lbarrow 15y agoThere's a lot of cool chemistry involved in the eye adjusting to darkness and light. My favorite fun fact is that as you adjust to darkness, the spectrum of light your eye perceives becomes slightly blueshifted: http://en.wikipedia.org/wiki/Purkinje_effect http://en.wikipedia.org/wiki/Purkinje_effect
- Zaak 15y agoKnowing this fact came in handy one evening while stargazing with some friends.