Observations and Musings of a Retired Scientist and Humanist

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.pdf Texts of Power Point Talks on Science Topics

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Discovering Exoplanets - Are We Alone?

The age-old question "Are we alone?" may be close to being answered as thousands of new planets are being discovered throughout our galaxy, many of which are in that specially defined "Goldilocks Zone" where life as we know it may exist.

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Hope for the Future

As global warming takes its toll and species become extinct, one might well wonder if humans will be next. This talk suggest otherwise and provides several clues that predict that our future may be brighter than we think (though definitely warmer).

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Atomic Theory I - The Basics

This talk presents the basic concepts behind atomic theory, starting with the Greeks and ending with the revolutionary theories of the early 20th century that brought us face-to-face with quantum field theory and the quantum nature of the atom.

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Atomic Theory II - The Standard Model

Quantum field theory enhanced our understanding of the atom, but the late 20th century forced particle physicists to dealve much deeper into the nature of the particles and energies that make up our universe, resulting in the Standard Model.

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Atomic Theory III - The Higgs Boson

Although the Standard Theory pulled together much that is known about our universe, one essential ingredient was missing. This presentation covers the theoretical necessity of the Higgs' Boson and its ultimate discovery at CERN in 2012.

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Discovering Exoplanets - Are We Alone?

The age-old question "Are we alone?" may be close to being answered as thousands of new planets are being discovered throughout our galaxy, many of which are in that specially defined "Goldilocks Zone" where life as we know it may exist.