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.
In his keynote address at the RAPID 2015 conference last week, Made In Space CTO Jason Dunn gave an update on how far his company and co-development partner NASA have come in their quest to bring 3D printing to the space station -- and beyond.
On Memorial Day, Americans remember the sacrifices the US armed forces have made, and continue to make, in service to the country. All of us should also consider the developments in technological capabilities and equipment over the years that contribute to the success of our military operations.
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.