perceptionsense

 Alice in Wonderland syndrome is a condition in which you perceive objects or body parts as being much smaller or larger than they really ar...

 Prosopagnosia is a condition where you cannot recognize faces. Someone who suffers from this cannot identify a person based solely on their...

3-D images are first explained by the idea of the stereoscope. A stereoscope is a device invented by Charles Wheatstone (1802-1875) which pr...

I personally am a huge "Always Sunny in Philadelphia" fan, I saw this episode that you can view below this statement, and it made ...