Brackman
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Vih, for now, quarks don't show any signs of being composed of anything))) So here's a particle that is currently indivisible.
As for the limits of the universe, we won't know them for one simple reason - it's expanding faster than the speed of light. But that's already general relativity, and that's magical stuff, you wouldn't even see that while high...
Хороший сон укрепляет боевой дух. Хорошая еда укрепляет боевой дух. Хорошие деньги укрепляют боевой дух. А больше всего укрепляет боевой дух - отсутствие врага.