edison – Houston Public Media

Engines of Our Ingenuity 2949: Microphone

Posted on August 22, 2019 · Episode: 2949 Who Invented the Microphone? Today, competing claims.

Posted on August 6, 2019 · Episode: 2943 Recording Before Electricity. Today, a cornucopia of sound.

Posted on March 25, 2019 · Episode: 1656 Electric power comes to Telluride, Colorado. Today, we install a dynamo on a mountaintop.

Posted on March 15, 2019 · Episode: 1652 Justus von Liebig and the first R&D laboratory. Today, we create the first research laboratory.

Posted on March 11, 2019 · Episode: 1649 Reginald Fessenden endows radio with sound. Today, we add sound to radio.

Posted on February 20, 2019 · Episode: 1640 Learning electricity and learning about technological revolutions. Today, we become electrified.

Posted on December 20, 2018 · Episode: 3199 Direct current makes its presence known. Today, getting from A to D.

Posted on June 30, 2016 · Episode: 2463 Serendipity and the Inventive Mind Today, not-so-dumb luck.

Posted on December 24, 2015 · Episode: 3035 Light Emitting Diodes Today, we get the LED out.