Explaining a car on Instagram: "During the 1981 Indy 500, one of racing’s most terrifying moments happened — and almost nobody in the crowd realized it at first. 🏎️🔥 When a crash broke out in the pit lane, Rick Mears’s IndyCar erupted in flames. But methanol — the fuel used at the time — burns invisible in daylight. That meant the fire couldn’t be seen, and the pit crew had to react purely from instinct and heat alone. Mechanics sprinted in with extinguishers, battling flames they couldn’t act