Guinness World Records on Instagram: "Throwback to 2020 - Largest aerial firework shell 🎇 1,268 kg (2,797 lbs) by James Cowden Widmann, Eric Krug, Ed MacArthur, and Tim Borden 🇺🇸 in Steamboat Springs, Colorado, USA. The final shell measured 1.44 m (4 ft 8.75 in) in diameter, made of over 82.07 km (51 mi) of 5.71 cm (2.25 in) gummed paper tape, wrapped in even layers by a machine built especially for this purpose. The completed shell was at least 17.78 cm (7 in) thick, and was filled with 380

Here’s the science behind nuclear weapons testing