Hotels use RFID chips to keep linens from travelling to new destinations

To keep robes and towels from checking out, a small but growing number of hotels are starting to use new radio frequency chips to keep track of their inventory.
The RFID technology — which stands for radio frequency identification and requires an installed chip that can be read by an electronic reader — has been used by various industries for several years to organize product storage and tally shipments…

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OLED Sheets Replace Conventional Lighting

OLED Sheets Replace Conventional Lighting 

With geeks all over the world testing the supremacy of technology and pushing its frontiers, simple yet useful devices are going through a major facelift. An innovation of today becomes an object of daily use in a matter of few years. This time, it’s the turn of lighting devices. General Electric Co. has come up with a machine that can prints sheets of light. The flexible sheets are coated with a layer of OLEDs and other chemicals which run 8-inch wide with a final layer of metal foil to guard the mixture. It emits a blue-white glow on having passed electric current through it.

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Large Sheets of Carbon Nanotubes Produced

Large Sheets of Carbon Nanotubes Produced

Ever since scientists first figured out how to make carbon nanotubes-tiny cylinders of carbon with diameters of a few tens of nanometers-they’ve been touted as the material of the future: as strong as steel but far lighter, with the ability to conduct electricity in useful ways. The problem is that because they’re so small, it’s been difficult to make them at scales that would be useful to industry. You can’t really build a lightweight airplane a few microns at a time, after all.

Now a New Hampshire company, Nanocomp Technologies of Concord, says it has overcome that limitation, producing sheets of carbon nanotubes that measure three feet by six feet and promising slabs 100 square feet in area as soon as this summer.

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