Search results
Results From The WOW.Com Content Network
At the December 6, 2019 TEDxNashvilleWomen, [15] Phelps presented the talk "How I Claimed a Seat at the Periodic Table", where, according to TED Talks, she "debunk[ed] the myth of solitary genius and challenge[d] institutional elitism by sharing stories of women of color making their way in science".
Cecilia Payne-Gaposchkin (born Cecilia Helena Payne; () May 10, 1900 – () December 7, 1979) was a British-American astronomer and astrophysicist.In her 1925 doctoral thesis she proposed that stars were composed primarily of hydrogen and helium.
Six years after discovering elements 104 and 105, Harris took a position with the Berkeley Lab Office of Equal Opportunity. There he worked with Benjamin Pope to recruit more women and minorities to work at the lab, focusing on outreach at Historically Black Colleges and Universities (HBCUs) and forming partnerships with engineering colleges. [4]
Victor Ninov was born in Bulgaria in 1959. [4] He grew up in the capital city of Sofia. [5] In the 1970s, when Ninov was a teenager, he and his family left for West Germany; they bounced around from house to house. [6]
Henry G. J. Moseley, known to his friends as Harry, [5] was born in Weymouth in Dorset in 1887. His father Henry Nottidge Moseley (1844–1891), who died when Moseley was quite young, was a biologist and also a professor of anatomy and physiology at the University of Oxford, who had been a member of the Challenger Expedition.
This is an accepted version of this page This is the latest accepted revision, reviewed on 28 January 2025. Development of the table of chemical elements The American chemist Glenn T. Seaborg —after whom the element seaborgium is named—standing in front of a periodic table, May 19, 1950 Part of a series on the Periodic table Periodic table forms 18-column 32-column Alternative and extended ...
Perey named the element francium, after her home country, and it joined the other alkali metals in Group 1 of the periodic table of elements. [3] [7] Francium is the second rarest element (after astatine) — only about 550g exists in the entire Earth's crust at any given time — and it was the last element to be discovered in nature.
The element was discovered almost simultaneously by two laboratories. In June 1974, a Soviet team led by G. N. Flyorov at the Joint Institute for Nuclear Research at Dubna reported producing the isotope 259 106, and in September 1974, an American research team led by Albert Ghiorso at the Lawrence Radiation Laboratory at the University of ...