1 янв 1962 г. - Quarks
Описание:
Murray Gell-Mann proposes the existence of fundamental particles that combine to form composite objects such as protons and neutrons. A quark has both an electric and a "strong" charge. Protons and neutrons each contain three quarДобавлено на ленту времени:
Дата:
1 янв 1962 г.
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~ 63 г назад