An article from Science News Feb 2021
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An article from Science News Feb 2021
The first black hole ever discovered is more massive than previously thought
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 Feb 2021
‘Designer molecules’ could create tailor-made quantum devices
An article from Science News Feb 2021
The Milky Way’s newfound high-energy glow hints at the secrets of cosmic rays
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
Astronomers spotted a rare galaxy shutting down star formation
An article from Science News Jan 2021
Drones could help create a quantum internet
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
Biography
Abbe, Ernst (1840–1905)
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Abetti, Giorgio (1882–1982)
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Adams, John Couch (1819–1892)
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Adams, Walter Sydney (1876–1956)
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Agnesi, Maria Gaetana (1718–1799)
Article
Airfoil
The cross section of a body that is placed in an airstream to produce a useful aerodynamic force in the most efficient manner possible. The cross sections of wings, helicopter rotor blades (Fig. 1), propeller blades, windmill blades, compressor and…
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Airy, George Biddell (1801–1892)
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Aitken, Robert Grant (1864–1951)
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al-Sufi (903–986)
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Alder, Kurt (1902–1958)
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Alfvén, Hannes Olof Gösta (1908–1995)
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Alhazen, Abu Alī al-Hassan ibn al-Haytham (c. 965–1038)
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Alpher, Ralph Asher (1921–2007)
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Alter, David (1807–1881)
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