overview for dxdydz

Just over half of Americans over the age of 65 are earning under $30,000 a year, and it shows how stark the retirement crisis is in c/futurology@futurology.today

[-] dxdydz@slrpnk.net 9 points 6 months ago

How many of these own paid off homes? That makes a big difference.

Solarpunk is an Evtopia, not a Utopia in c/solarpunk@slrpnk.net

[-] dxdydz@slrpnk.net 12 points 1 year ago

EVtopia just sounds like an electric car website to me

The environmental footprint of social media hosting: What about Lemmy and the like? in c/solarpunk@slrpnk.net

[-] dxdydz@slrpnk.net 3 points 1 year ago

I dunno about Lemmy, but there are some lightweight Mastodon-compatible servers under development on GitHub.

Also, I saw some tests from a Mastodon admin that showed huge decrease in server power by simply decreasing the retention time for cached media from the default. I forget the numbers, but I remember being shocked by them.

There’s a deeper problem hiding beneath global warming - waste heat in c/solarpunk@slrpnk.net

[-] dxdydz@slrpnk.net 5 points 1 year ago

There is an EXCELLENT physics text book freely available that focuses on the physics of energy sources: https://escholarship.org/uc/item/9js5291m

It’s by Tom Murphy of “Do the Math” fame. Basically, unlimited perpetual growth runs afoul of basic physical limitations in shockingly short timeframes.