Ulteriori informazioni
David J. Helfand reconstructs the history of the universe-back to its first microsecond 13.8 billion years ago-with the help of atoms.
Sommario
Acknowledgments
Introduction
1. Calling the Witnesses to History
2. Conceptualizing the Atom: From Philosophy to Science
3. The Atom: A Utilitarian View
4. The Elements: Our Complete Set of Blocks
5. Isotopes: Elemental Flavors
6. Radioactivity: The Imperturbable Clock
7. Stolen and Forged: Forensic Art History
8. The Carbon Clock: Pinning Down Dates
9. History Without Words: Lime and Lead and Poop
10. You Are What You Eat
11. Paleoclimate: Taking the Earth’s Temperature Long Ago
12. The Death of the Dinosaurs: An Atomic View
13. Evolution: From Meteorites to Cyanobacteria
14. What’s Up in the Air? Earth’s Evolving Atmosphere
15. Our Sun’s Birthday: The Solar System in Formation
16. Stardust Creation: Building the Building Blocks
17. In the Beginning
Epilogue: A Quark’s Tale
Glossary
Notes
Index
Info autore
David J. Helfand is the chair of the Department of Astronomy at Columbia University where he has served on the faculty for four decades. He has also been a visiting scientist at the Danish Space Research Institute, the Sackler Distinguished Visiting Astronomer at Cambridge University, and president of the American Astronomical Society. He was a founding tutor and served as president and vice chancellor at Quest University Canada. He has published commentary in Nature, Physics Today, the Globe and Mail, the Washington Post, and the New York Times, among other publications.
Riassunto
David J. Helfand reconstructs the history of the universe—back to its first microsecond 13.8 billion years ago—with the help of atoms.
