by Chris Shalluefigures by Fiona Qu There’s an equation engraved on Stephen Hawking’s gravestone in Westminster Abbey: This unassuming equation, discovered by Hawking in 1975, has extraordinary implications. It suggests that black holes, previously thought to be eternally stable, actually decay over time. This process begins slowly, but Hawking predicted it would eventually accelerate, culminating in a cataclysmic “explosion.” Yet, almost 50 years later, no … Continue reading How to Detect Black Hole Explosions