Into the Impossible With Brian Keating

Does Time Really Exist and How Can We Measure It w/ Chad Orzel (#406)

4 snips
Apr 14, 2024
Guest
Chad Orzel
Join Chad Orzel, a physics professor, as he discusses the history and complexities of timekeeping. From Galileo's innovations to the relativity of simultaneity, explore the philosophical and scientific implications of measuring time accurately. Learn about attosecond clocks, the future of education post-COVID, and the intricacies of defining time in a universal sense.
Ask episode
AI Snips
Chapters
Transcript
Episode notes
INSIGHT

Timekeeping Spans Millennia

  • Timekeeping spans from Stonehenge-era astronomy to modern atomic clocks as a continuous technological story.
  • Chad Orzel frames clocks as regular repeating actions we count to mark time.
ANECDOTE

Galileo's Telescope Helmet Idea

  • Galileo envisioned using Jupiter's moons eclipses as a shipboard clock but technology made it impractical at sea.
  • Christian Huygens later built the first working pendulum clock decades after Galileo's idea.
INSIGHT

Longitude Needs Accurate Time

  • Longitude requires knowing time at two places because Earth rotates and lacks a fixed longitudinal marker.
  • A time difference between locations directly converts into longitude difference.
Get the Snipd Podcast app to discover more snips from this episode
Get the app