Daniel Lakeland

@dlakelan.mastodon.sdf.org.ap.brid.gy

Applied Mathematician, Julia programmer, father of two amazing boys, official coonhound mix mutt-walker. PhD in Civil Engineering. Debian Linux user since ca […] 🌉 bridged from ⁂ https://mastodon.sdf.org/@dlakelan, follow @ap.brid.gy to interact

I got up early to walk the resident dog, then did all the dog training and things, then a big walk with the two dogs, then trying to settle them for tonight... finally separated the new dog into the boys room for the night... at 16500 steps (8miles) I'm exhausted mate.

Suppose you have only sort of 1200s technology or so, but modern knowledge of physics and math. You want to make a system of measurements that is reasonably repeatable without reference to a physical prototype. What physical properties do you rely on to define length, mass, and time units?