Three siblings and one GameCube is a recipe for territorial skirmishes. Many games only support two users. Jeremy Willden bought his three kids a GameCube for Christmas and quickly discovered parental intervention was critical. He initially used a kitchen timer, but soon opted for a more technology-driven solution. He created an electronic Time Turner. The gadget uses a Microchip microcontroller connected to three LEDs and a small speaker. Every 15 minutes, the LEDs change (each labeled with a child’s name) to indicate whose turn it is.
Researchers have been working on a number of alternative chemistries to lithium-ion for next-gen batteries, silicon-air among them. However, while the technology has been viewed as promising and cost-effective, to date researchers haven’t managed to develop a battery of this chemistry with a viable running time -- until now.
Norway-based additive manufacturing company Norsk Titanium is building what it says is the first industrial-scale 3D printing plant in the world for making aerospace-grade metal components. The New York state plant will produce 400 metric tons each year of aerospace-grade, structural titanium parts.
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