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.
Although plastics make up only about 11% of all US municipal solid waste, many are actually more energy-dense than coal. Converting these non-recycled plastics into energy with existing technologies could reduce US coal consumption, as well as boost domestic energy reserves, says a new study.
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