The Universal Timekeepers
- 288 stránek
- 11 hodin čtení
David J. Helfand reconstructs the history of the universe-back to its first microsecond 13.8 billion years ago-with the help of atoms.
David J. Helfand Knihy
David J. Helfand reconstructs the history of the universe-back to its first microsecond 13.8 billion years ago-with the help of atoms.