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renowned female natural scientists in the 20th century. Learn especially her lifetime achievement, i.e. to verify the existence of yet unknown radioactive elements. Discoverer of two radioactive elements:

renowned female natural scientists in the 20th century. Learn especially her lifetime achievement, i.e. to verify the existence of yet unknown radioactive elements. Discoverer of two radioactive elements:

Guericke i próżnia Listen Wędrując ulicami Magdeburga Otto Guericke snuł rozważania na temat pewnej niezwykłej teorii, która prawie sto lat temu została ogłoszona przez Mikołaja Kopernika, ale do dziś

renowned female natural scientists in the 20th century. Learn especially her lifetime achievement, i.e. to verify the existence of yet unknown radioactive elements. Discoverer of two radioactive elements:

Technology Listen While science and technology influence each other, they are not the same. "Many confuse the terms science and technology, often considering them synonyms. Roughly speaking there are

Subjective Listen Science has a subjective aspect to it. Science and scientific research are normally considered to be objective, yet, there are also subjective aspects: Scientists decide what they ta

Answers Listen Science and its methods cannot answer all questions. On the one hand, there are certain areas which cannot be answered by scientific methods. This does not mean that scientists do not h

Mendelejew i układ okresowy Listen Był dzień 12 lipca 1849 roku w Tobolsku na Syberii. Podekscytowany 15-letni Dymitr Mendelejew ściskał w ręku świadectwo ukończenia liceum. Gdy wraz z dumną ze swojeg

Educational Resources Simulation Simulation Historical Resources A Primary Sources Geiger, H./Marsden, E. : On a Diffuse Reflection of the Alpha-Particles, in: Proceedings of the Royal Society of London A [...] available online:http://archive.org/details/radioactivesubst00ruthuoft. B Secondary Sources Andrade, E. N. da C : Rutherford and the Nature of the Atom, Garden City, N.Y. 1964. Heilbron, John L. : Historical

Sybilla i kokony Listen Sybilla obudziła się. Pokój zalewała smolista czerń poranka, jednak dziewczynka była zbyt podekscytowana, aby dalej spać. Wsłuchała się w spokojne ddechy członków swojej rodzin