On 6 April 2026, India's 500 MWe Prototype Fast Breeder Reactor at Kalpakkam went critical, sixteen years late and at more than twice its sanctioned cost. It runs on 1,750 tonnes of liquid sodium, a metal that burns in air, because water would slow the neutrons this reactor depends on. Here is the engineering inside it.

What F1 Cars Could Look Like Without Strict FIA Aerodynamic Regulations 🤯

He Sat Down With a Bare Arm and Left as a Museum Piece 🏛️ Listen for the Sound at 0:08 ⚡