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Sam’s Newsletter

Sam

Exploring the fundamental nature of reality

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Substack
PricingOnly free issuesPublishesWeekly
Issues24Founded4 years agoLast Issue4 months ago
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Latest Issues

Is Economics Testable?

Bruce Nielson and Peter Johansen of the Theory of Anything Podcast, which I highly recommend, recently released an episode discussing whether economic theory is testable. I was mentioned in connection with the view that economics is not tes...

4 months ago
7
4

Out With the Old, In With the New

Why Old Theories Are Not Limits of New Ones

There is a widespread confusion about how new scientific theories relate to their predecessors. It is often said, for example, that Newtonian mechanics is a limit of general relativity, or th...

4 months ago
12
4

Realising Einstein’s Hope

A widespread view is that quantum theory permits a subtle form of action at a distance: measurements performed on one system are said to instantaneously affect a distant system, albeit in ways that are locally imperceptible. For example, Al...

4 months ago
20
11

Remembering the Things That Fade

A few years ago, I became convinced by a friend that I’d been neglecting pure mathematics and that engaging with it might be fun, so I started reading Terence Tao’s Analysis I, an introductory textbook on analysis for maths students. Tao is...

6 months ago
25
13

Measuring Time in a Timeless Universe

Time in physics is a peculiar thing. It is usually treated as something that exists outside the systems we study, a kind of backdrop against which things happen. But that is puzzling, because it means time itself is not part of any system....

10 months ago
6

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  • Sam

    Physicist \ud83c\uddf3\ud83c\uddf1 Anglophile \ud83c\uddec\ud83c\udde7 Interested in quantum information | epistemology | human creativity.

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