A negatively charged particle that orbits the nucleus of an atom. Electrons stay on fixed orbits due according to their wavelengths.
Electron Quotes in A Brief History of Time
The A Brief History of Time quotes below are all either spoken by Electron or refer to Electron. For each quote, you can also see the other terms and themes related to it (each theme is indicated by its own dot and icon, like this one:
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Chapter 8
Quotes
Most sets of values would give rise to universes that, although they might be very beautiful, would contain no one able to wonder at that beauty.
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Electron Term Timeline in A Brief History of Time
The timeline below shows where the term Electron appears in A Brief History of Time. The colored dots and icons indicate which themes are associated with that appearance.
Chapter 4
...but many wondered why it did not all collapse. Niels Bohr suggested in 1913 that electrons could only orbit at specific distances, which would balance it all out. According to quantum...
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Chapter 5
...and liquid atoms colliding. J. J. Thompson at Cambridge had already proven the existence of electrons, and later Ernest Rutherford showed the atom had a nucleus, around which the electrons orbit.
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...three “colors”: red, green, and blue. These names are just labels. Quarks form the proton, electron, and neutron. Scientists can create other particles from quarks, but these are unstable.
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Another class is the electromagnetic force. This affects only electrically-charged particles like electrons, but not gravitons. It is much stronger than gravity, and comes in the form of...
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...radioactive atoms to spin in a magnetic field, first one way then the other. More electrons were given off in one direction than the other. Lee and Yang won the Nobel...
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...universe expands and cools, forces that do not obey the symmetry of T cause more anti-electrons to become quarks than electrons to become anti-quarks, creating the matter we see today. Of...
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Chapter 6
...than the Chandrasekhar limit will become white dwarves, supported by the Pauli exclusion principle between electrons—the electrons repel each other, giving the object structure rather than collapsing. Landau also showed that...
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Chapter 8
...hot. Right after the big bang the universe would have been made up of photons, electrons, and neutrinos, along with their anti-particles, and some protons and neutrons. As the universe cooled,...
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Chapter 11
...it, will be over in six months,” after Paul Dirac discovered the workings of the electron. Of course, the discovery of the neutron and nuclear forces just opened up more questions....
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