18 h 34 m, 28 sept 2018 año - Science today
2018 AD
Descripción:
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.
Añadido al timeline:
The History of the Atom
History of the Atom
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