18 ч 34 мин, 28 сент 2018 г. - Science today 2018 AD
Описание:
Science today has made many advancements and even found out that there is something smaller than an atom called a quark, which makes up the atom thanks to the particle accelerators that fired atoms at high speeds at each other.Добавлено на ленту времени:
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18 ч 34 мин, 28 сент 2018 г.
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~ 7 г назад