Donuts and Funhouse Mirrors – An Interactive Audio Lesson about the shape of the Universe – By Chris Uehlinger

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Donuts and Funhouse Mirrors – An Interactive Audio Lesson about the shape of the Universe – By Chris Uehlinger

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expansion-lesson

An interactive audio lesson about how the universe was born

On Github chrisuehlinger / expansion-lesson

Donuts and Funhouse Mirrors

An Interactive Audio Lesson about the shape of the Universe

By Chris Uehlinger

Tutorial

This lesson can be controlled using a few different input methods:

  • Keyboard - Press the right and left arrow keys to go forward and backward, press the "R" key to refresh.
  • Click/Touch - Use the controls in the lower right corner to go forward, go backward and refresh

The Shape Of The Universe

Closed Universe
Flat Universe
Open Universe
W
A
S
D

Review

  • Our tiny universe has 100m2 of space.
  • There is no edge.
  • There is no center.

Review

Closed Universe
Flat Universe

Things that are still true:

  • Our universe has no edge and no center.
  • Expansion has no direction and is measured in (distance/time)/distance, not distance/time.
  • The universe started from a point of infinite density.

The Math of Infinity

\( \frac{\infty kg}{100 m^2} = \infty \frac{kg}{m^2} \)
\( \frac{100 kg}{\infty m^2} = 0 \frac{kg}{m^2} \)
\( \frac{\infty kg}{\infty m^2} = ? \frac{kg}{m^2} \)
\( \frac{\infty kg}{\infty m^2} = \infty \frac{kg}{m^2} \)
\( \frac{\infty kg}{\infty m^2} = 0.00001 \frac{kg}{m^2} \)
Hotel Infinity Video

Corrections

Support my work on Patreon!

Geanie PaekEgorova Valentina
Reviewed by Max Goldstein.
Donuts and Funhouse Mirrors An Interactive Audio Lesson about the shape of the Universe By Chris Uehlinger