🧵 View Thread
🧵 Thread (3 tweets)

Visakan Veerasamy@visakanv• almost 2 years ago
Replying to @visakanv

Visakan Veerasamy@visakanv• almost 7 years ago
I wanna talk about one of my favorite Quora answers, written in 2015 by David Rose to the question, "Why are there crushed stones alongside rail tracks?" It's an interesting answer about an engineering problem but I got a really deep, fundamental mental model upgrade out of it