EV alternative for light/medium duty trucks
So much wheel spinning on EVs, what if they are not the right path forward? The biggest problem with renewable power and EVs is storage, the second is storage, and the third is storage. Another pat...
Forum Discussion
blt2ski wrote:
As many have also noted, they have learned some things via this post. Let's continue to do so.
Marty
That’s a right on…
If one wants to learn a lot of interesting stuff, subscribe to Scientific American.
There I recently read about one thing that was in the back of my mind, why are nearly 2000 year old Roman concrete structures like the Pantheon and aqueducts still so intact? Modern concrete doesn’t last very long in comparison. Turns out they had a advantage over modern concrete since they used quicklime. What looked like a mixing mistake that formed clasts in the concrete actually formed a mechanism for self-healing of cracks in the concrete.
Perhaps there is a way to make modern roads much longer lived…
https://www.scientificamerican.com/article/ancient-roman-concrete-has-self-healing-capabilities/
