Using a specific light wavelength, the scanners cause a fluorescence in even minuscule amounts of fecal contamination; it shows up on a built-in display as a bright red spot on a person's dirty hand.
"Nobody wants to have doo-doo on their burger," said Jacob Petrich, a biophysical chemist at Iowa State University.
"If you only eat beer and cheese pizza, what kind of signatures are you going to get," asked Petrich. "it's just a question of technology, of how you look at the spectral signatures of diets."
New Technology Could Detect Dirty Hands:
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State police have charged a 15-year-old Latrobe girl with child pornography for taking photos of herself and posting them on the Internet. Police said the girl, whose identity they withheld, photographed herself in various states of undress and performing a variety of sexual acts. She then sent the photos to people she met in chat rooms.
She has been charged with sexual abuse of children, possession of child pornography and dissemination of child pornography.
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"This year I decided to go the whole hog and make an entire thoracic cavity cake. The plan was for each organ to be made out of a different kind of cake and to secrete a different color of fluid when it was cut into. Previous heart cakes have bled fresh, homemade raspberry sauce. This year I made raspberry, strawberry, kiwi, mango, and blueberry sauces."
Engadget says, "an artist in Japan is crafting simulated jellyfish out of artifical human skin. They're not alive, but just like real jellyfish they can float around gracefully in a fish tank."