An article from Science News Apr 2021
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An article from Science News Feb 2021
A drop in CFC emissions puts the hole in the ozone layer back on track to closing
An article from Science News Jan 2021
Diamond holds up at pressures more than five times those in Earth’s core
An article from Science News Jan 2021
This weird chemical bond acts like a mash-up of hydrogen and covalent bonds
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
Aircraft design
The process of designing an aircraft. All new aircraft designs (Fig. 1) are aimed at a specification that is meant to satisfy potential customers and be better than designs from competitors. In the case of civil aircraft, the manufacturer undertakes…
Biography
Alder, Kurt (1902–1958)
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