Deep Time: How Earth Keeps Time

To The Best Of Our Knowledge

Wisconsin Public Radio

Prx, Philosophy, Knowledge, Wpr, Ttbook, Wisconsin, Society & Culture

4.7 • 844 Ratings

🗓️ 20 April 2024

⏱️ 52 minutes

🔗️ Recording | iTunes | RSS

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Summary

Are you ready to think in centuries instead of seconds? Eons instead of hours? It’s time to make thousand-year plans and appreciate how Earth keeps time.

Original Air Date: August 19, 2023

Interviews In This Hour:

Shifting your mind to 'geologic' time — Discovering the wonders of ancient cave art — Making art inspired by the ancestors

Guests:

Marcia Bjornerud, Stephen Alvarez, Dustin Illetewahke Mater

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Transcript

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0:00.0	How far back in time can you think?
0:03.0	A hundred years, maybe a few generations?
0:07.0	Why not a billion?
0:09.0	The very oldest Earth objects are crystals of zircon, 4.4 billion years old.
0:16.0	Those old ones are still with us, and they shape our daily lives.
0:21.9	Our culture has a strong present day bias, but now more than ever, we need longer-term
0:27.0	perspectives.
0:28.0	For one need of universal time.
0:32.9	Today, how to deepen your sense of time.
0:35.9	Two thousand years ago, someone goes into this cave,
0:39.3	and here we are, in this case, 2,000 years later,
0:41.8	about to do the same thing,
0:42.9	to look at the artwork they made,
0:44.4	to look at that idea that they put on the ceiling.
0:47.0	I'm Anne Strange Amson.
0:48.3	In this hour, after the best of our knowledge,
0:50.2	how Earth keeps time.
1:07.6	Music how Earth keeps time. It's to the best of our knowledge. I'm Anne Strange Shamps.
1:15.4	Thank you. It's to the best of our knowledge. I'm Anne Strange Champs. Marsha Bjorn and Rudd has been wrestling with time for much of her life. It's an obsession
1:20.7	she can trace all the way back to childhood and a snowy day in Wisconsin. Stuck indoors, she pulled her family's big world atlas off the shelf and opened it to...
1:33.3	An atlas showing time zones.
1:38.6	She'd never really noticed the zones before, those pastel stripes running so precisely down the page.
	...

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