Bell Telephone Laboratories Inc

The Transistor — The Invention That Made the Digital Age Possible

William Shockley's junction transistor at Bell Labs is the component that replaced vacuum tubes in computers and radios, winning the Nobel Prize and making modern electronics possible.

The First Solar Cell That Could Actually Power Something

Gerald Pearson, Daryl Chapin, and Calvin Fuller's 1957 silicon solar cell at Bell Labs was the first photovoltaic device efficient enough to power real devices — the invention that launched solar energy.