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Photon Wave Dr. Stevens Johnson (see Cool Pic feature) 
Periodic Table with Planck Snake Dr. Stevens Johnson 
Vector Calculus Dr. Stevens Johnson 
Calculus of Residues Dr. Stevens Johnson 
Your Tattoo Here 
Strange Attractor of a Duffing Oscillator Stevens Johnson 
HertzsprungRussell Diagram Stevens Johnson 
Masonic Field Equations Stevens Johnson 
Supply & Demand 
NPN Transistor 
Bohr Atomic Model of Uranium 
The message sent by SETI via the Arecibo 1,000 meter telescope 
Y Combinator 
Swartzchild Radius 
Top: Einstein's Equation Bottom: Newton's Equation 
Schrödinger Equation 

Smith Chart 
Sigma 
Heisenberg’s Uncertainty Principle 
Pioneer Spacecraft's Message 
Euler's Identity 
The Golden Ratio... done in a rectangle of the golden ratio 
Cosmic Rays in a CERN Bubble Chamber 
ZermeloFraenkel with Choice Axioms of Set Theory 
Continuity Equation 
The Golden Number as a repeated fraction 
Quadratic Equation 
RFID Tag 
Tesla Machine Patent Drawing 
Here is the substance to Dow Chemical's Human Element 
Top: MongeAmpere Equation Bottom: Infinity Laplacian 
Tank Circuit 
Y Combinator 
Golden Spiral 
Periodic Table 
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Your RF Cafe Progenitor & Webmaster  
Kirt
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singlehandedly redefining what an engineering website should be. 5CCG (5th MOB): My USAF radar shop 

Airplanes and Rockets: My personal hobby website Equine Kingdom: My daughter Sally's horse riding website 