materialsscienceandengineering:
Like several other noble gases, krypton was discovered by Sir William Ramsay and Morris Travers in 1898. It was named from the Greek kryptos, meaning the hidden one, because of its rarity and inertness.
Космический трэк пространственных событий Тайны Мира, НЛО пришельцы, наука, космос, древние, мегалиты, археология.
materialsscienceandengineering:
Like several other noble gases, krypton was discovered by Sir William Ramsay and Morris Travers in 1898. It was named from the Greek kryptos, meaning the hidden one, because of its rarity and inertness.
Комментариев нет:
Отправить комментарий