The Greek Theatre in the Sicilian town of Taormina could, so they say, accommodate 5000 theatre-goers. Could this be true? Let’s do some rough and ready calculations …
http://www.andrewcaelliott.com/explorations/2016/11/13/a-trip-to-the-theatre
If you’re looking for numbers on Covid-19, a very good choice is to head over to OurWorldInData.com. Good numbers, good analysis, good visualisations and good interactive tools for exploring the numbers.
Oh, and they cover MUCH more than just Covid-19. Highly recommended.
This video recreates the classic “Powers of Ten” film, zooming out to larger and larger scales to the limits of our understanding of the universe, and then zooming in again, down to the smallest things we know about.
It’s an excellent way of illustrating relative magnitudes of distance. One gripe: it all happens a bit too quickly: try watching it at half speed.
