On June 8th, 2010, I was “in conversation” with Christopher Hitchens at the 92nd Street Y in New York in front of his customary sellout audience, to launch his memoir, Hitch-22. Christopher turned in a bravura performance that night, never sharper, never funnier, and afterwards at a small,…
A. Generalized skulls of Tarbosaurus bataar in lateral (A1) and dorsal (A2) views. B. Tyrannosaurus rex in lateral (B1) and dorsal (B2) views compared (not to scale). Light grey, lacrimal; dark grey, nasal.
From Hurum & Sabath, 2003
I have finally reached a point in my studies when I can read and understand Einstein’s The Principle of Relativity and other works. This is exciting, but, sadly, I cannot spend as much time on it as I would like right now.
To two selected positions of the hands of a clock at rest relatively to the privileged system of reference there always corresponds an interval of time of a definite length, which is independent of place and time. We shall soon see that the general theory of relativity cannot adhere to this simple physical interpretation of space and time.
- Albert Einstein
(Translated by Stephen Hawking from “Die Grundlage der allgemeinen Relativitätstheorie,” Annalen der Physik, 49, 1916. The full translation can be found in Hawking’s book On the Shoulder’s of Giants.)
I am excited to read further, even though the answer is familiar to us now.
Just watch it. You will understand at the end.
I think I could listen to this piece all night.