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Vampire amoeba

The golden ratio is a reminder of the relatedness of the created world to the perfection of its source and of its potential future evolution.

Robert Lawlor

Image: Rafael Araujo

Jupiter and Saturn

21.12.2020…. the closest approach for 800 years

https://www.youtube.com/watch?v=G27G_JBlvIw

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Tesseract

hmmm

World's most frustrated mathematician promising for the third time that he won't be dealing with your bullshit again

Eh?

A delightfully concise animated proof of the sum of the arithmetic progression of the naturals.

Mathematics is beautiful. <3

Saint Veronica with the Veil (Original piece by Mattia Preti c.1655-1660) Touched by Clayshaper

If unit vectors always scared you for some reason, this neat little trick  from The story of i by Paul Nahin involving complex numbers is bound to be a solace.

It allows you find the tangential and radial components of acceleration through simple differentiation. How about that! 

Have a good one!

** r = r(t),  θ =  θ(t)