In September 1999, the Mars Climate Orbiter probe crashed into Mars due to a mismatch between the measurement units used in different parts of the
Category: physics
The Rise, Fall, and Comeback of the Cosmological Constant
Just 100 years ago Einstein introduced the so-called cosmological constant, the physical constant that perhaps has experienced the most changing fortunes. The Rise In 1915
The Balloon in the Car and General Relativity
Today we are going to speculate on a particular experiment anyone can do with a car and a helium-inflated balloon. The set-up is quite simple:
3 Amazing Properties of Rotating Black Holes
3 amazing properties of rotating black holes: non planar orbits, energy extraction, time travel.
