[cylinder714]

The article references the "Oh-My-God particle, the most energetic particle yet encountered. Here's the late John Walker's excellent piece on that:

https://fourmilab.ch/documents/OhMyGodParticle/

[epistasis]

> These calculations involve some elementary but easy to mess up algebra and some very demanding numerical calculations for which regular IEEE double precision is insufficient. If you'd like to double-check these results, be sure to use a multiple precision calculator with at least 30 significant digits of accuracy.

So you're saying my iPhone built-in calculator app is going to have problems....?

Time to whip out dc on the terminal.

[eq_ind]

> So you're saying my iPhone built-in calculator app is going to have problems....?

Your Android phone's built-in calculator app, however, will not. :^)

https://dl.acm.org/doi/pdf/10.1145/3385412.3386037

[jiggawatts]

https://www.wolframalpha.com/

[Onavo]

Or ChatGPT to output Julia code

[pixelpoet]

That was indeed excellent reading, thank you.