How to transform your everyday gadgets into tools for extraordinary 21st-century invention

Holograms, AI & The Secret Science of Smartphones - Danielle George's 2014 Christmas Lectures 2/3 · 59:48 · Video: The Royal Institution · Watch at the source

In short: Danielle George demonstrates how to hack common household electronics and smartphones to create everything from holograms to remote-controlled paintball cannons. This lecture explores the modern maker movement, showing how accessible technology allows anyone to innovate from their own home.

In her 2014 Christmas Lecture, electrical engineer Danielle George highlights a revolution in personal invention. By adapting three foundational British inventions—the light bulb, the telephone, and the motor—she illustrates how modern tools like 3D printers, coding, and online collaboration allow individuals to repurpose everyday items for new, extraordinary functions.

The lecture showcases practical experiments, including turning a smartphone into a microscope, controlling paintball cannons via webcam, and using mobile technology to project holograms. George emphasizes that these projects are part of a broader trend where people are taking control of their devices, inspired by the legacy of inventors like Alexander Graham Bell, who demonstrated the first telephone in 1876.

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