Monthly Archives: August 2022

eco: the latest on gravity energy storage

A year ago I wrote “eco: energy storage is hard, gravity storage as a game”, using physics and a units calculator to show how hard it is to profitably store energy using gravity. Gravity storage isn’t a scam, but nothing … Continue reading

Posted in eco | Leave a comment

cars: salespeople that don’t sell cars you can’t get

2013 trip to dealer Scene: in front of one Subaru Crosstrek Hybrid out of many that’s close to the spec I want.Me: I’m thinking of ordering this hybrid in a different color. Can I just sit in it?Salesperson: please, yes! … Continue reading

Posted in cars, disintermediation, eco | Leave a comment