In October 1962, Nick Holonyak and colleagues at General Electric built the first practical light-emitting diode, or LED, that could emit visible light. Semiconductor LEDs are now a part of uncountable electronic devices. Holonyak discusses the invention, and his work since then.
We've invited the heavy metal rocker to answer three questions about Mike, a chicken in the 1940s who lost his head and still went on to achieve fame and fortune.
Designer Katie Shelly's upcoming cookbook offers 50 illustrated recipe "blueprints" for basic meals — from simple snacks to more hefty dishes like eggplant Parmesan. She hopes they'll inspire any level of cook to improvise in the kitchen.
Of all the current Washington scandals, the one involving the IRS appears to have the most staying power. It rolls into one package an agency many love to hate, partisan suspicions and the American appetite for conspiracies.