Grove City, PA average temperature is 48.5F, which ranked #1593 in Pennsylvania. Historical Grove City weather info such as min/max temperature, precipitation/snow data as well as heating and cooling cost index also included.
If you see a face, you're probably neurotic. Researchers at the NTT Communication Science Laboratories in Tokyo, Japan, conducted a study that revealed pareidolia, or the phenomenon of seeing faces in inanimate shapes and objects, is a feature found in neurotic people. To reach this conclusion, scientists assessed volunteers' personality types.
Hollow-Face illusion. The Hollow-Face illusion is an optical illusion in which the perception of a concave mask of a face appears as a normal convex face. Hybrid image. A Hybrid image is an optical illusion developed at MIT in which an image can be interpreted in one of two different ways depending on viewing distance.