Lumileds (San Jose, CA) is supplying 460-nm (blue) LED light sources for curing dental filling polymers. Rather than conventional halogen lamps, which need to be filtered and produce high heat with short lifespans, the LEDs enable small, easily positioned hand pieces. The cool beam is safer to handle and, when turned on, is immediately at full illumination.
Do you wear your ugly Christmas sweater while fighting zombies, or simply chill in front of your homemade entertainment center while your automated cat feeder keeps your feline friend at bay? Whatever you prefer, one of the following gadgets is sure to get your DIY motor running.
Marine mussels and their interaction with the ocean environment has inspired a breakthrough in developing a nontoxic coating for organic electronic components that also could speed up the manufacturing process.
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