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Click on Images for Enhanced Views
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Taken at Eagle & Rose Winery -- EAA Chapter Flyout 7/27/2002
Golden Gate Bridge and the City
San Francisco
Sausalito
Brickyard Cove - Pt. Richmond
University of California-Berkeley
Bay Bridge and the City
We complete our Bay tour by flying along the Petaluma River,
on course to the Petaluma Airport and the renowned
Two-Niner Diner.
It can't get any better than this!
Artistic Impression of a Nucleus-Nucleus Collision
at Relativistic Energy
This is What a Real Nucleus-Nucleus Collison Looks Like.
Incoming from the right is an O-16 beam nucleus having a highly
relativistic kinetic energy of 200 Gev per nucleon (for a total kinetic
energy equal to 3200 billion electron volts). Its collision with a
target nuleus (at rest) produces nuclear fragments from both beam
and target nuclei, as well as a large number of unstable particles
produced in the collision (mainly pi-mesons) that are typically
emitted in a narrow, forward-cone of angles.
Photomicrograph taken at CERN, Geneva, 1986.
Physics While Taxiing
While taxiing from the East Ramp to Rwy19R
at Concord (CCR), I had the following
communication with a remarkably astute
"ground-controller".
Ground: 7KT, I want to ask you about your.
number.
7KT: My number,if unclear, is 137KT.
Ground: No problem with the number.
What I want to know is...is there any significance
to your number 137KT ?
7KT: There certainly is. 137 is actually one of the most
fundamental constants in physics. It is known as the
"fine-structure-constant"*. It appears in many equations
in atomic and nuclear physics. In fact, it is so well known
that if anyone needs any type of assistance in the world,
merely by displaying the number 137 a physicst will
come to his aid. Do you think your can remember
all that ?
Ground: I will never forget in all my professional career!
Several days later, this exchange took place:
Ground: (after call-up) 137KT, taxi 32R.
7KT: Taxi 32R.
Ground: I am the operator who asked you about your number
a couple of days ago.
7KT: Hello, I was wondering...what background do you
have in physics?
Ground: Oh, I have a general interest in physics, but no real
training in it.
7KT: Then why did you ask about the significance of 137KT?
Ground: It just appeared to me that it might not be a random number.
7KT: How right you are !!
________________________________________________________
* The "fine-structure-constant" is actually 1/137, but that is a
trivial detail here. Links to several aviation-related sites follow: Relativistic-heavy-ion research: RHIC (Brookhaven National Laboratory) Relativistic Heavy Ion Collider Acknowledgements
This web-site resulted from an introductory computer course given
at the Lawrence Hall of Science, UC Berkeley. The course was developed
and given by Don Evans, with assistance from Erik Moberg.
Almost as much fun as flying !
___________________________________________________________ The End
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