/u/Trtlman's posts in /r/askscience
Why is it when we look through a stereo viewer like a viewmaster toy, or even binoculars our eyes seem to automatically cross turning the two viewing scopes into one?
1 upvotes
Mark as read: Add to a list
1 upvotes
Mark as read: Add to a list
1 upvotes
Mark as read: Add to a list
1 upvotes
Mark as read: Add to a list
1 upvotes
Mark as read: Add to a list
Why do some glow in the dark items only glow for an hour or two while others will glow throughout the night?
1 upvotes
Mark as read: Add to a list
1 upvotes
Mark as read: Add to a list