#174: 3D Printing

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It's a technology that some have said will bring in a Fourth Industrial Revolution.

Discover how 3D printing actually works, what industries it is revolutionising, and how it will (or won't) change every aspect of the world we live in.


  • A brief history of the creation of objects
  • 3D printing vs. traditional manufacturing
  • Should we really call it "printing"?
  • Early versions of 3D printing
  • Patents & 3D printing
  • Lowering of costs of 3D printing
  • 3D printing & prototyping
  • Recent cost reductions in 3D printing
  • Revolutionising the global supply chain
  • Example of a British car manufacturer
  • 3D printing "anything"
  • 3D printing in space
  • Settlements on Mars
  • 3D printing a cup, a new ear, and a full English breakfast
  • The implications of 3D printing on the world we live in
  • 3D printing guns & criticisms of 3D printing


Full interactive transcript, subtitles and key vocabulary available on the website: https://www.leonardoenglish.com/podcasts/3d-printing


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