Latest Jay Guo Stories
A device that essentially listens for light waves could help open up the last frontier of the electromagnetic spectrum—the terahertz range.
Peacock feathers have a beautiful iridescence about them – a sheen that shifts colors depending on your perspective. But recreating this effect has been a nuisance for engineers trying to reproduce this unique color mechanism to make high-resolution, reflective color display screens.
In a step toward more efficient, smaller and higher-definition display screens, a University of Michigan professor has developed a new type of color filter made of nano-thin sheets of metal with precisely spaced gratings.
- A volcanic mudflow.