It’s been a mystery why Roman concrete often lasted thousands of years, but ours decays in mere decades.
Turns out they incorporated chemicals in a process that induces self-healing; scientists at MIT just figured this all out - in 2022.
Extraordinary.
https://t.co/cOPyln0ifd
There’s a quote I’ve heard attributed to Peter Jackson: when lighting a battle scene, someone asked him, “Where will the audience think the light is coming from?” and he said, “The same place the music is coming from.”
https://t.co/JTC2dijjby