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Professor Danielle George takes three great British inventions - the light bulb, the telephone and the motor - and shows you how to hack, adapt and transform them to do extraordinary things. This is tinkering for the 21st century.

Inspired by Alexander Graham Bell, Danielle attempts to beam a special guest into the theatre via hologram using the technology found in a mobile phone. Along the way, Danielle shows the next generation how to hack, adapt and transform the electronics found in the home to have fun and make a difference to the world.

This year's Royal Institution Christmas Lectures have been inspired by the great inventors and the thousands of people playing with technology at their kitchen tables or tinkering in their garden sheds. When Scottish inventor Alexander Graham Bell demonstrated the first telephone in 1876, he could never have dreamed that in 2014 we'd all be carrying wire-free phones in our pockets and be able to video chat in crystal clear HD across the world.

In this lecture, Danielle explains how these technologies work and shows how they can be adapted to help keep you connected to the people around you. She shows how to control paintball guns with a webcam and turn your smartphone into a microscope, whilst also investigating a device that allows you to feel invisible objects in mid-air.