After overcoming my initial skepticism, I found myself really enjoying this piece about physicist Angelo Bassi and his work on “objective collapse models” as a possible alternative to standard quantum mechanics. Bob Henderson does a great job explaining what’s at stake. https://t.co/zsBRO64ngH
Evolution of the notation for the empty set: 0 – George Boole 🇬🇧 (1847) 𝑂 – Georg Cantor 🇩🇪 (1880) {} – Gottlob Frege 🇩🇪(1882) Λ – Giuseppe Peano 🇮🇹 (1889) ∅ – Andre Weil 🇫🇷 (1939)
When I said that the US is having one Wuhan a day (50k/day #coronavirus cases in the US vs. 50k for all time in Wuhan), many people responded: "You can't trust the Chinese numbers."
There are so many layers to that answer that it's worth deconstructing. Thread [1/23]
