Bell Labs' Henry Feinberg Demonstrates Ways of Using Light to Transmit Sound Waves, 1978

AT&T Archives: Similiarities of Wave Behavior (Bonus Edition)

AT&T Archives: Principles of the Optical Maser

Why It Was Almost Impossible to Make the Blue LED

Think Fast, Talk Smart: Communication Techniques

AT&T Archives: Matter Waves, Holden and Germer on Wave Nature and the Davisson-Germer Experiment

Math's Fundamental Flaw

AT&T Archives: The Far Sound, a History of Long and Longer Distance Communications, from 1961

AT&T Archives: Principles of the Optical Maser (Bonus Edition)

The Oldest Unsolved Problem in Math

CompTIA Network+ Certification Video Course

The Birth, Boom and Bust of the Hard Disk Drive

Can You Hear Light? The Audio-Modulated Light Beam Experiment

The String Theory Wars and What Happened Next

AT&T Archives: Dr. Walter Brattain on Semiconductor Physics (Bonus Edition)

Electromagnetic Waves - with Sir Lawrence Bragg

AT&T Archives: A Modern Aladdin's Lamp, about vacuum tubes,1940

528Hz, Destroying unconscious blockages, Healing Frequency, Cleanse Negative Energy #40

Acoustic Standing Waves and the Levitation of Small Objects

The Insane Engineering of the Gameboy

UNIX: Making Computers Easier To Use -- AT&T Archives film from 1982, Bell Laboratories