Shirtloads of Science

Dr Karl’s a curious optimist – a great combination for a science lover. Join him and his guests for weird facts, amazing conversation and remember, it’s never too late for a happy childhood. https://drkarl.com/

http://shirtloadsofscience.libsyn.com/podcast

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episode 24: How constant is the Hubble constant with professor Geraint Lewis


Ninety years ago we first measured the rate of our expanding Universe. Today our accuracy is better but the new techniques are producing different numbers. Are there gremlins in our measurements or is it the Universe travelling in unexpected ways ?  Dr Karl and Prof Geraint Lewis discuss this huge question.
http://www.physics.usyd.edu.au/~gfl/
http://drkarl.com


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 July 19, 2020  25m