نظریه زمین تو خالی
How We Figured Out That Earth Goes Around the Sun
Planck's Constant and The Origin of Quantum Mechanics | Space Time | PBS Digital Studios
پرگار: نظریه توماس پیکتی
What’s the difference between a scientific law and theory? - Matt Anticole
Chaos theory and geometry: can they predict our world? – with Tim Palmer
The Theory of Everything - Official Trailer (Universal Pictures) HD