Million dollar idea: The microscope
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How the microscope became a million dollar idea

They're vital tools for science and medicine - especially for finding harmful germs and viruses. But the person who invented the first microscope, three centuries ago, didn't have such noble aims in mind. He was a money-minded businessman who wanted to check he wasn't being sold shoddy goods, as Aaron Helsehurst explains.

Video by Jeremy Howell

  • 24 May 2019
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