The James Webb telescope will be in such a distant orbit that no repairs are possible. So WHEN something breaks down, it will be dead. And it won’t provide Hubble type images, it uses infrared spectrum, from what I’ve read.

SCE, SOUTHERN CALIFORNIA EDISON, just took a HUGE hit when the new steam generators they put into their two existing, working reactors, developed leaks less than a year after being installed. They gave up and permanently closed the reactors. So nuke reactors are susceptible to costly failures, even if they don’t have…

At least someone pointed out that there’s a TON of empty barren land already available, so there’s no need to use potentially good agricultural land for solar. Also it turns out that alfalfa, used for livestock feed, uses even more water than almonds.

The basilica cistern (see wikipedia) in Istanbul is comparable in size, and it was built BY HAND IN ABOUT THE YEAR 600 AD! Pretty sure that was when it was still Christian Constantinople, before it became Istanbul.