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Stylised atom. Blue dots are electrons, red dots are protons and black dots are neutrons. Date: 14 February 2007: Source: Own work based on: of Image:Stylised Lithium Atom.png by Halfdan. Author: SVG by Indolences. Recoloring and ironing out some glitches done by Rainer Klute. Permission (Reusing this file)
Alma Woodsey Thomas (September 22, 1891 – February 24, 1978) was an African-American artist and Art teacher who lived and worked in Washington, D.C., and is now recognized as a major American painter of the 20th century.
Imogen Cunningham (/ ˈ k ʌ n ɪ ŋ ə m /; April 12, 1883 – June 23, 1976) was an American photographer known for her botanical photography, nudes, and industrial landscapes.. Cunningham was a member of the California-based Group f/64, known for its dedication to the sharp-focus rendition of simple subje
The model shown to the left represents a ball-and-stick model of proline. The balls have colours: black represents carbon (C); red, oxygen (O); blue, nitrogen (N); and white, hydrogen (H). Each ball is drilled with as many holes as its conventional valence (C: 4; N: 3; O: 2; H: 1) directed towards the vertices of a tetrahedron. Single bonds are ...
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English: Diagram of an idealized Lithium atom, primarily useful to illustrate the nucleus of an atom. This sort of design is scientifically inaccurate in many important respects, but serves as a powerful mandala of the nuclear age. Inspired by drawing from User:Fastfission, recreated by User:AG Caesar in vector/svg format.
The flower of the strawberry tree (Arbutus unedo) is the national flower of Italy. The flower of the strawberry tree (Arbutus unedo) is the national flower of Italy. [50] The strawberry tree is also the national tree of Italy because of its green leaves, its white flowers and its red berries, colors that recall the Italian flag. [51]
It includes 847 life-size models (representing 780 species and varieties of plants in 164 families) and some 3,000 detail models such as of plant parts and anatomical sections. The collection comprises approximately 4,400 individual glass models representing over 830 plant species.