The photoelectric effect | The Secrets of Quantum Physics
In the late 19th century, scientists discovered that exposing electrical voltages to bright light could transfer sparks much more easily.
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Resistance | Shock and Awe: The Story of Electricity
Jim Al-Khalili explains how, as we made microchips smaller, the electrical feature of resistance was becoming more problematic.
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Crystal Junctions | Shock and Awe: The Story of Electricity
Jim Al-Khalili explores the race between scientists to create a reliable way to amplify electrical signals, and it was a breakthrough that came by accident.