An article from Science News Apr 2021
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An article from Science News Jan 2021
Zinc-air batteries are typically single-use. A new design could change that
Article
3D printing
A process of making physical objects directly from digital models, usually layer by layer; also known as additive manufacturing (AM). 3D printing has been hailed by many as the technology that will revolutionize how we live. As information…
Article
Aluminum alloys
Substances formed by the addition of one or more elements, usually metals, to aluminum. The principal alloying elements in aluminum-base alloys are magnesium (Mg), silicon (Si), copper (Cu), zinc (Zn), and manganese (Mn) [Fig. 1]. In wrought…
Biography
Amsler-Laffon, Jakob (1823–1912)
Biography
Arkwright, Richard (1732–1792)
Biography
Armstrong, William George (1810–1900)
Biography
Auer, Carl
Article
Automobile
A self-propelled land vehicle, usually having four wheels and an internal combustion engine, used primarily for personal transportation; also known as a car. Other types of motor vehicles include buses, which carry large numbers of commercial…
Biography