A Former NASA Scientist Almost Lost His Hearing Because of a Toilet Lid

How Einstein Lost His Bearings, and with Them, General Relativity

To Test Einstein’s Equations, Poke a Black Hole

In November 1915, in a lecture before the Prussian Academy of Sciences, Albert Einstein described an idea that upended humanity’s view of the universe. Rather than accepting the geometry of space and time as fixed, Einstein explained that we actually inhabit a four-dimensional reality called space-time whose form fluctuates in response to matter and energy.

Scientists observe a new quantum particle with properties of ball lightning