That’s the takeaway from a new University at Buffalo-led study that describes what’s believed to be the first accurate method for tracing a 3D-printed object to the machine it came from. The advancement, which the research team calls “PrinTracker,” could ultimately help law enforcement and intelligence agencies track the origin of 3D-printed guns, counterfeit products…
Self-Powered Wireless Sensors Embedded In Roads Could Spot Potholes And Other Hazards
Spring is here and the roads are a mess. But the days of motorists calling to report potholes may someday be a thing of the past. Instead, networks of self-powered wireless sensors would be laid under the road surface, providing regular updates on road conditions to transportation planners, drivers with connected cars and other parties. That’s the promise of ePave, a joint…
A Cavity that You Want
Associated with unhappy visits to the dentist, “cavity” means something else in the branch of physics known as optics. Put simply, an optical cavity is an arrangement of mirrors that allows beams of light to circulate in closed paths. These cavities help us build things like lasers and optical fibers used for communications. Now, an…