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We explore, without mathematics, the three symmetries implied in the title. These are important in science, particularly in particle physics.
We explore, without mathematics, the three symmetries implied in the title. These are important in science, particularly in particle physics. At the microscopic level, the laws of mechanics and electromagnetism appear to be perfectly symmetrical, but the symmetry is broken by the weak interaction, the force that allows the Sun to shine. We explain how symmetry breaking could help us to avoid being annihilated by a science-fiction
antimatter alien from another world. Again at the microscopic level there is a small asymmetry between the forward and backward directions of time. On larger scales however the direction of time is crucial, and time-reversed systems generally lead to absurd situations.
Speaker(s): |
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Date and Time: |
4 December 2008 at 7:00 pm |
Duration: | 2 hours |
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Venue: |
University of Birmingham Astronomical Society |
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Tickets: |
FREE |
Available from: |
not required. |
Additional Information: |
see www.talkandtelescope.org.uk for further info |
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