| Ulam spiral
In 1963, while attending a boring lecture the great Ulam (see http://en.wikipedia.org/wiki/Stanislaw_Marcin_Ulam) made a monumental doodle and it became known as prime spiral see http://mathworld.wolfram.com/PrimeSpiral.html
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Time independence: [∂E(g)]²=[∂F(a)×∂r(a)]·[∂F(b)×∂r(b)] and Mass independence: ¶a(t)·¶r(t)=c²
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Linear Mode
