Related: ever seen Haidinger’s brush?
It’s very cool, but because it’s on the threshold of perception it also requires a good deal of discipline not to fall into an N-ray style state of mind when attempting to view them.
Related: ever seen Haidinger’s brush?
It’s very cool, but because it’s on the threshold of perception it also requires a good deal of discipline not to fall into an N-ray style state of mind when attempting to view them.