- The 13 scales that define our physical universe;
- A video that maps the Milky Way onto the United States, where on that scale our sun would fit between the ridges of a fingerprint;
- Recalling again the famous Powers of Ten video from 1977;
- And “Religion” from Philip Glass’ Naqoyqatsi.
Some sciency bits today. I’ve always been fascinated by timelines and by scales of time and space. Here are a couple new ones.

Big Think, Ethan Siegel, 14 Aug 2023: The 13 scales that define our physical Universe, subtitled “The visible Universe extends 46.1 billion light-years from us, while we’ve probed scales down to as small as ~10^-19 meters.”












