Everything we can see and touch, and quite a lot that we can’t as well, is made of tiny particles called atoms. Some substances, like particles of this iron, contain only one kind of atom. Iron is an ...
You may have noticed that the rock formations are very different colors. The rock formations on the left are from Red Rock State Park in Texas, and on the right is El Capitan Mountain in Yosemite ...
Vol. 73, No. 5, Proceedings of the 2004 Biennial Meeting of The Philosophy of Science AssociationPart II: Symposia PapersEdited by Miriam Solomon (December 2006), pp. 864-875 (12 pages) In this ...
THIS is a handbook on the Practical Chemistry of the Non-metallic Elements, designed to meet the requirements of pupils of Mechanics' Institutions, and of Science Classes of a similar kind. The true ...
Scientists have found the first case of an ionic crystal consisting of just one chemical element -- boron. This is the densest and hardest known phase of this element. The new phase turned out to be a ...
A NASA/ESA Hubble Space Telescope image released July 7, 2012, shows U Camelopardalis, a star nearing the end of its life located in the constellation of Camelopardalis (The Giraffe), near the North ...
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