
The Human Magnet (via Everlasting Blort)
This is from the Brit rag The Daily Mail, for which the American equivalent might be Weekly World News when it comes to trustworthiness and truthiness, but it is an amusing story nonetheless.
This movie demonstrates an implementation of wireless energy transfer, in combination with magnetic levitation. The result is a light bulb(20 Watt) floating in mid-air, while lit.
Fickle heartsAll the hearts in this checkerboard are made out of the same cyan-colored dots, but they look green against the green background and blue against the blue background. The image, by Kitaoka, is based on the dungeon illusion discovered by vision scientist Paola Bressan of the University of Padua in Italy.
Eye shadowThis Japanese manga girl by Kitaoka looks like she has one blue eye and one gray eye. In fact, both eyes are exactly the same shade of gray. The girl's right eye only looks the same as the turquoise hair clip because of the reddish context. Part of the process of seeing color is that three different kinds of photoreceptors in the eye are tuned to three overlapping families of color: red, green and blue (which are activated by visible light of long, medium and short wavelengths). These signals are then instantaneously compared with signals from nearby regions in the same scene. As the signals are passed along to higher and higher processing centers in the brain, they continue to be compared with larger and larger swaths of the surrounding scene. This "opponent process," as scientists call it, means that color and brightness are always relative.
"At school I would carve a friend's name into the wood of a pencil and then give it to them as a present. Later, when I got into sculpture, I would make these huge pieces from things like wood, but decided I wanted to challenge myself by trying to make things as small as possible. I experimented sculpting with different materials, such as chalk, but one day I had an eureka moment and decided to carve into the graphite of a pencil".
Mouth Eyes from Jessica Harrison on Vimeo.