Thin Power Source For Thinner Computers
Spray-on energy storage is the newest twist for electronic paper.Jun 18, 2010
By Phillip F. Schewe
Inside Science News Service
"WASHINGTON (ISNS) -- Thin electronic readers such as Amazon's Kindle are designed to mimic the look of ink on paper. But the newspapers of the future may do an even better job by spraying electronics directly onto actual sheets of paper -- thanks to scientists at Stanford University in Palo Alto, Calif., who have developed a technique for storing energy on paper.
"Inkjet printing, used in producing countless documents on paper, can also be used to produce flat electronic components on paper. Transistors, sensors, and even radio-sensitive identification tags are routinely printed on this "e-paper".
"The new energy storage technique could provide a power source for such components in all-paper electronic products, such as credit-card-sized papers that can perform calculations and perform scientific measurements like sensing humidity or pressure.
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