Several months ago I had a fascinating discussion with a near death experiencer who was shown one of her lives from about five centuries in the future.
I copied and pasted many of her comments to this page in this discussion:
(post # 55):(D.S.)..
there was no name for them thenand we lived basically inside huge food forests and raised childrenin family groups but everything was based on sacred geometrysociety was based on circles within circles.so no one felt left outchildren are raised by everyone basicallyI had five adults and three children in my family but in my bigger family there were many such groups, some with more or less in themwe had almost no impact on the environment and heres another tipoffeverywhere in the "cities" which look nothing like cities nowthere were these hexagonal "bricks" that everything was built withwell someone came up with that too" (D. S.)
I chose to copy and past this because…… it appears that these may already have been invented. Just Google….."Solar Roadways" and you will be amazed!