Last year, we reported on the Adobe light-field camera, a prototype device with 19 lenses which captures 19 versions of the same image at different focal lengths. The associated software then lets the user choose which parts of the resulting photograph should be in focus, which can produce a virtually 3D image. We also briefly mentioned a project at Stanford University which is experimenting with their own multi-lensed device.

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Ever feel like your teacher just didn’t understand what you were going through? Well, researchers at the University of Massachusetts Amherst and Arizona State University are busy designing computerized tutors designed to teach and feel. The machines will be outfitted with sensors that pick up whether a student is angry, frustrated or bored. For instance, a computer vision system will study the subject’s facial expressions—even something like the tilt of the person’s head can be an indicator of his or her level of interest.

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They won't win any fashion contests, but the asthma victims taking part in a new study at the Georgia Tech Research Institute could help scientists learn more about the environmental triggers of wheezing attacks.

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See the photo gallery for an illustrated look at a creepy new line of defense

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