The phrase "quantum is employed 2 times With this part - "quantum weirdness" and "Quantum Mechanics is Odd!" What does quantum suggest and what is Quantum Mechanics? I failed to see them described During this presentation, just stated. Thank you. Bohr model in 1921[four] soon after Sommerfeld expansion of 1913 https://flotte-istanbul.de/revolutionieren-sie-ihren-raum-mit-einem-stilvollen-und-funktionalen-tischwagen/