https://bfi.org/about-fuller/biography
All these questions were answered so that humanity, when it is ready, will have the tools on the shelf to solve it's problems. He said that machinery operates at an overall efficiency of 4% and constructed buildings at 1%; so 'simply' double those numbers and increasing numbers of people can enjoy a standard of living unobtainable by anyone living today. Seriously, look it up.
We are stuck at the bottom of a gravity well, but if development of the Em-drive continues we will have Star Trek impulse power.*
'ASICs melting in the heat, and the blockchain goes on and on...'
Edit: *
And transparent aluminum.