Word: feedback
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...Need for Feedback...
...four Masters who are currently trying out the new survey say the importance of student feedback is the driving factor behind the new initiative...
...working." Her 18-chapter saga, "Second Chance, Second Life"--about JC's romance with his kids' nanny (it's rated PG)--has elicited 151 reviews since it appeared last fall. Most are of the "I loved this story!" and "Great ending!" variety. Not exactly the same level of feedback you'd get from your English teacher...
...benefit from the device, patients must have use of a shoulder and upper arm and partial use of their hands. The technology can be fragile, too, and patients must be constantly on guard against infection around the implanted electronics. Another drawback is that the Freehand system provides no tactile feedback for things like temperature, so users also have to be careful when handling hot objects such as cigarettes or coffee. To get around this problem, Thomas Sinkjaer and colleagues at the Center for Sensory-Motor Interaction at Denmark's Aalborg University are developing neural prosthetics that can actually feel...
Making this kind of tactile feedback work will be difficult. Hundreds, perhaps thousands, of different nerves would need to be stimulated to create convincing sensations. This is a daunting task, since the hand has the highest density of nerve receptors in the entire body, about...