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arthur , to Ask Science in Is there an easy way to generate a list of CMYK color values that will appear identical to the human eye under 589nm light?

May be useful: Video about colors

arthur , to Ask Science in How could SI units be derived from scratch without the use of modern technology?

SI is great, but if you reset everything (and lose all tech and most of knowledge), just create a new system. Embrace what makes SI great (easy conversions and a the nature-based properties) and do it over.

For length, use Hydrogen line when you advance your society enough. It’s more universal than using 🌎 as a 📏.

arthur , to Ask Science in How can we define a robust metric for "most discontinuous country" and then rank all states according to it?

Will you use the sea borders instead of the coastline to avoid the paradox?

arthur , (edited ) to Ask Science in What happens if an electron collides with an antimatter particle that is not a positron?

I didn’t even know that neutrons have an antiparticle. TIL

Edit: neurons -> neutrons

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