Million dollar idea: The light bulb
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How the light bulb became a million dollar idea.

What was life like before light bulbs, relying on candles or gas lamps through the long winter evenings?

Most people credit American inventor Thomas Edison as the bringer of electric light. In fact, a couple of 19th Century British inventors got there before him.

Video Journalist: Jeremy Howell

  • 25 May 2018
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