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.
DIY candy, journeys to Mars, coding for road trips, and more. These STEM (science, technology, engineering, and math) activity options will keep kids engaged this summer, from 10-minute activities to more advanced undertakings.
Focus on Fundamentals consists of 45-minute on-line classes that cover a host of technologies.
You learn without leaving the comfort of your desk. All classes are taught by subject-matter experts and all are archived.
So if you can't attend live, attend at your convenience.