Light waves allow scientists to 3D print with multiple materials

3D printing can already create sensors for NASA rovers, rocket engines, safer football helmets, dentures. Name it, and it seems like it can be 3D printed. But the technology is still pretty limited, partly because most 3D printing systems can only ma...

Energy Harvesting from Rolling Car Tires Uses Triboelectric Effect


Energy harvesting is an up and coming topic. Recently we covered technologies that harvest stray radio frequency waves to charge smartphone batteries. Now a group of University of Wisconsin-Madison...