"making people more alert and more focused, and decreasing their ability to wind down and fall asleep"
reporting symptoms such as headaches and impaired cognitive function from mobile phone use. But they proved to be unable to tell if they had been exposed to the radiation in the test.
For they show that the radiation did have an effect, even though people could not tell when they were exposed.
However, whenever there is the possibility of doing the right thing to accomplish a good deed, there are always others who will use the same technology for evil.
Resembling glasses but lacking lenses, the headset uses a tiny projector to display images on a user's retina.
The firm said the gadget, dubbed Tele Scouter, was intended for sales people or employees dealing with inquiries from customers. NEC said the Tele Scouter was intended to be a business tool that could aid sales staff who would have information about a client's buying history beamed into their eye during a conversation.