Liquid metal controlled by low voltage reversibly switches color and infrared response in nanoscale surfaces, enabling low power reflective displays, sensors, and optical security features.

In a competitive marketplace, standing out is essential. Neon signs, particularly the modern LED flex variety, offer a host ...

Greg Schneider covers Virginia from the Richmond bureau. He was The Washington Post's business editor for more than seven years, and before that served stints as deputy business editor, national ...