Activity for Warm Shadow‭

Type	On...	Excerpt	Status	Date
Question	—	With modern science and engineering, what is the tallest and thickest structurally sound wall we can make My question is as the title put it. I would like to know how large and thick of a wall we could currently construct. Given we have no limitations in money or materials. Bonus if it's actually sturdy though I don't have much hope of that in this regard. Rooms and hallways are allowed as long as they d... (more)	—	over 7 years ago
Question	—	How to scientifically dim earth's sky by environmental means, without killing humanity It would preferably be something that will either last a fairly long time fifteen to twenty years perhaps, periodically and last at least some months between or last indefinitely. I do not require other species to be capable of survival though preferably at least some animals and plants should be cap... (more)	—	over 7 years ago