4 ms·
Weird that humans can do this when our eyes aren’t even that great at night vision compared to a lot of other animals.
by jonplackett 4y ago
Weird that humans can do this when our eyes aren’t even that great at night vision compared to a lot of other animals.
- mlindner 4y agoUnless there's something else involved, most other animals that have good night vision is simply because they have bigger eyes that collect more photons. A single photon test would be the same with those animals eyes versus our own. I think the bigger determining factor is visual acuity as that corresponds to how easy it is to activate a photo receptor area which is easier to do the smaller those areas are.
- kayodelycaon 4y agoHumans can navigate in darkness quite well if trained. For vision, you look for shadows. Shadows are generally things that absorb light and reflect it, like trees. Hearing can also tell you how close things are. In still air, a tree absorbs sound. Moving air flows around objects. Then there is the feel of terrain underfoot. :)
- not2b 4y agoHumans can echolocate: https://en.wikipedia.org/wiki/Human_echolocation https://en.wikipedia.org/wiki/Human_echolocation