notes on podcasts

feb 26 - good colin marshall podcast with author of book on why time moves forward

• "we use the theory of relativity to keep our GPS satellites on track"
• "why is the past different than the future?"
• who shared a physics prize with Stephen Hawking for their contribution to understanding our universe
  Roger Penrose, wiki
• "there are some scientists I'm certainly glad they stay away from writing to the general public"
• "there are fewer exclamation points in my book than in my blog"
• "every mathematical equation used in a book to the general public will cut your sales in half"
• "cosmological explanations are comfortable with words, but correct with math"
• "it's a bold move to bring cosmology into a book about time"
• who was one of the most important advocates for atomic theory
  Ludwig Boltzmann, Austrian, died 1906, wiki
• "scientists make predictions, not retrodictions"
• "you don't need to know philosophy to be a good scientist"
• who is the guest on this show
  Sean Carroll, wrote Time's Arrow about why time moves forward and not backward, wiki
• Sean's blog cosmic variance: e.g. info on black holes and good explanations with pictures