Shelfari edited the characters of Physics of the Impossible Sunday, September 2, 2012.
- Edited a character: Albert Einstein
- Edited a character: James Clerk Maxwell
- Edited a character: Paul Dirac
- Edited a character: Richard Feynman
- Edited a character: Frank Drake
- Edited a character: Hendrik Casimir
- Edited a character: John Donoghue
- Added a character: Gerald Nordley
- Added a character: Carl Sagan
- Added a character: Brian Gilchrist
- Added a character: PAMELA
- Added a character: Kelvin
- Added a character: Joseph Banks Rhine
- Added a character: Linda Dalrymple Henderson
- Added a character: Werner Heisenberg
- Added a character: Roger Penrose
- Added a character: Neil Gershenfeld
- Added a character: Macduff
- Added a character: Andrei Sakharov
- Added a character: Giordano Bruno
- Added a character: Isaac Asimov
- Added a character: Robert Goddard
- Added a character: John Barrow
- Added a character: Rodney Brooks
- Added a character: Gerald Feinberg
- Added a character: Arthur C. Clarke
- Added a character: Isaac Newton
- Added a character: Arthur Eddington
- Added a character: Martin Rees
- Added a character: Roy Kerr
- Added a character: Nathan Myhrvold
- Added a character: Theodor Kaluza
- Added a character: Miranda
- Added a character: Niels Bohr
- Added a character: John Searle
- Added a character: Cassandra
- Added a character: John Schwarz
- Added a character: Wolfgang Pauli
- Added a character: Michael J. Fox
- Added a character: Gerald Smith
- Added a character: Sherlock Holmes
- Added a character: Harry Potter
- Added a character: Carson
- Added a character: Randi
- Added a character: Kurt Gödel
- Added a character: Frank Wilczek
- Added a character: Gerald Jackson
- Added a character: Jules Verne
- Added a character: Alan Guth
- Added a character: Ted Taylor
- Added a character: Hans Moravec
- Added a character: Kirk
- Added a character: Ludwig Boltzmann
- Added a character: Nikola Tesla
- Added a character: Douglas Lenat
- Added a character: Max Tegmark
- Added a character: Seth Shostak
- Added a character: David Hilbert
- Added a character: Thomas Edison
- Added a character: Dr. Walter Levy
- Added a character: Kip Thorne
- Added a character: Garry Kasparov
- Added a character: Stephen Hawking
- Added a character: Freeman Dyson
- Added a character: Max Planck
- Added a character: Hugh Everett
- Added a character: Steve Weinberg
- Added a character: Richard Gott
- Added a character: Arthur Conan Doyle
- Added a character: Andrei Linde
- Added a character: Marvin Minsky
- Added a character: Leo Szilard
- Added a character: John Wheeler
- Added a character: Matt Visser
- Added a character: Uri Geller
- Added a character: Karl Gauss
- Added a character: Humphrey Davy
- Added a character: Erwin Schrödinger
- Added a character: Emmy Noether
- Added a character: Plato
- Added a character: Lois Lane
- Added a character: Georg Bernhard Riemann
- Added a character: Aston Bradley
- Added a character: Richard Bentley
- Added a character: Michael Faraday
- Added a character: Miguel Alcubierre
(
see all changes to this book’s characters
)