Engineeringness on MSN

How does a transistor switch signals so fast?

Transistors are tiny components that can turn electrical signals on and off at incredible speeds. In this video, you'll learn ...
The Brighterside of News on MSN

Scientists develop a photonic transistor powered by a single photon

Modern life runs on light. Fiber-optic cables move data across continents, lasers guide surgeries, and photons sit at the ...