100 years ago, Schrödinger’s equation shed light on quantum physics – scientists use it today to fine‑tune chemical reactions
Read More 4 minute read Engineering Why Philly has so many sinkholes Sinkholes form when underground rock dissolves or sediment washes away and the surface collapses. Luis Diaz Devesa/Moment Collection/Getty… byLaura RevellFebruary 2, 2026