Joe Lonsdale
@jtlonsdale
I'm an entrepreneur, investor, & philanthropist. I founded @PalantirTech @Addepar @UAustinOrg @8VC & other mission-driven orgs. Bold policy @InstituteCicero
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http://blog.joelonsdale.com 18-04-2010 03:00:56
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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. news.mit.edu/2023/roman-con…