studied phil/math/chem/phys in Germany, obtained a BSc in theoretical physics (electro-mag) & MSc (stringtheory)... View Sascha's Profile Sascha Vongehr The simple harmonic oscillator (SHO), the Schwarzschild solution black hole (SS-BH), the hydrogen atom : These are simple, basic physics systems, well defined, ideal, symmetric models, and indispensable for the progress of