James Croll (1821-1890)
The Janitor Who Changed the World of Science
(Photo from www.famousscientists.org)
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Sixth Sense Technology
Elements of the Systems Approach
The Hubble Deep Field Image
From http://www.atlasoftheuniverse.com/universe.html
The Universe within 14 billion Light Years
From http://www.atlasoftheuniverse.com/universe.html
The structure of the atom as we know it today
http://www2.slac.stanford.edu/vvc/theory.html
The components of matter as we know them today
In the modern theory, known as the Standard Model there are 12 fundamental matter particle types and their corresponding antiparticles. The matter particles divide into two classes, quarks and leptons. There are six particles of each class and six corresponding antiparticles. In addition, there are gluons, photons, and W and Z bosons, the force carrier particles that are responsible for strong, electromagnetic, and weak interactions respectively. These force carriers are also fundamental particles.From http://www2.slac.stanford.edu/vvc/theory/fundamental.html
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