Caltech Physics League
Introduction and terms
Winter 2014
Meetings:
Mondays, 6pm, E. Bridge 114.
(no meeting on Jan. 20th for MLK)
Feb. 3rd:
Vacuum resistance, antenna fields, and energy weapons
assignment (due Feb. 10th):
Raytheon's anti-demo weapon
Additional links:
* sensitivity of devices and persons to EM radiation:
http://www.rfcafe.com/references/electrical/ew-radar-handbook/radiation-hazards.htm
* Boeing's EM pulse weapon:
http://www.boeing.com/Features/2012/10/bds_champ_10_22_12.html
Jan. 27th:
Radars and stealth
assignment:
longitudinal iron-ball mode
Jan. 9th, 13th:
The thing - a vintage eavesdropping devices.
Assignment, due Jan 27th:
How to operate a bug from afar
Fall 2013
Meetings: Mondays 6pm at E. Bridge 114.
Dec. 2nd: Roundup of the recent assignments
Nov. 24th: Warp drives
extra stuff:
Alcubierre's paper on warp drives
NASA's Sonny White's paper improving the warp drive
Report on NASA's efforts
Thone-Morris wormholes (recommended!)
Nov. 17th: Fusion
Problem 7: Fusion of Mu-drogen
Nov. 10th: Nuclear-Fission Critical Mass
Problem 6: Critical mass for a diffusive core
Nov. 3rd: Space elevators
Problem 5: Mars elevator design.
Oct. 28th: Balloon assisted launches
Problem 4: Air drag on a rocket.
Oct. 21st: Ion Thrusters
Problem 3: What limits an ion thurster - charge buildup.
Oct. 14th: More on RTG's
Problem 2: Modeling the RTG unit of Cassini.
Oct. 7th: Thermoelectrics and the risky powering space exploration.
Problem 1: Typical Seebeck coefficient, and power extraction.
Spring 2013
Last meeting:
June 2nd, 5:45pm, bridge 114. Featuring:
Clockwise-counterclockwise.
May 13th: space debris I - debris size
Question for next meeting: Could you think up a theory for the 1/L^2 rule of debris size distribution?
Problem 1: Magentic field and Einstein challenge. (will be discussed on May 13th)
April 29th: magnetic fields of stars
. (notes to come)
April 22nd: Black hole batteries (click for notes)
Black-hole batteries paper
April 8th, 15th: Slowing light (class notes)
and - more elaborate notes discussing QM dyamics
Slowing light paper
Winter 2013
Meeting times: Mondays, 5:45PM, E. Bridge 114.
Optical solitons notes
Photonic crystals notes
Challenge 2: Motorcycles: crash and jump
Challenge 1: Flats and jets
jet solution:
notes from meeting discussion
Winter 2012
Organizational meeting : 10/1/2012(Tuessday), 6PM, Bridge 114.
Weekly meeting : Tuessday, 6PM, Bridge 114.
Challenge 1: Earthquake!
Challenge 2: Altitude sickness
Challenge 2: Mathematica notebook
Challenge 3: Black Hole Battery
Fall 2011
Organizational meeting : 10/11/2011(Tuessday), 6PM, Bridge 114.
Weekly meeting : Tuessday, 6PM, Bridge 114.
Challenge 1: From diffraction patterns
Challenge 1: Mathematica notebook
Challenge 2: Quasicrystals form an odd angle
Challenge 2: Mathematica notebook
Challenge 3: Dispersion of Graphene
Game Show!
Spring 2011
Organizational meeting : 1/6/2011(Thursday), 6PM, Bridge 114.
Tidal Speed note
Desert Chimney note
Tokamak note
Fall 2010
CPL meeting times: Thursday, 6pm - 7:30pm, Bridge 114.
meeting 1:
Earth rotation induction generator notes
superconducting critical field example experiment
Challenge 1: Magnetic-breaking
Challenge 2: Speed of the tide
Here's the tidal energy note by Gil
Spring 2010
First challenge - Hanburry Brown - Twiss and Sirius
Noise correlations:
- Hanbury Brown-Twiss
Sirius Nature paper
- Correlations in BEC's and Mott insulators:
Ketterle's webpage:
http://cua.mit.edu/ketterle_group/
Ian Spielman's noise measurements:
http://arxiv.org/abs/cond-mat/0606216
Winter 2010
Second challenge - Magnetic pinball
Solution
winners: John Forbes and Tony Baojia
First challenge - Atmosphere vs. Astronomy
due: extension made till monday Feb 15th.
Solution
winner:
John Forbes
2/11/10 meeting: slowing light. (17m/s!)
nature-paper
3/4/10 meeting:
Aurora slide show
Fall 2009
Second challenge - Electric images
Preparation problem:
The imperfect electric mirror
Challenge 2 Problems
Solutions
winners: John Forbes and Tony Baojia
First challenge - Mars elevator under fire
Challenge 1 Problems
Preparation problem:
Mars space elevator
(not handed in or graded)
also see
Notes on waves in ropes
Solutions
taken from: http://www.myreviews101.com/tag/space-elevator-on-green-mars
Spring 2009 challenges:
Challenge 1: Space wars with leftovers
Winners
:
John Schulman and Eric Stansifer.
Challenge 2: Sonic booms
Winners:
John Schulman and Tong (Tony) Boajia
Useful Links:
International Physics Olympiad Webpage - Archive of past olympiads
David Morin's Webpage (includes the 'problem of the week' list
Leaguemaster info:
Gil Refael
164 W. Bridge
M-C 149-33
tel.: (626)-395-4705
fax: (626)-683-9060
refael
...caltech.edu