As the pandemic ebbed and flowed this summer, we watched the spectacle of billionaires racing to the edge of space. Shortly after reaching an altitude of 53 miles in his rocket plane, Richard Branson ...
American Scientist (ISSN 0003-0996) is an illustrated bimonthly magazine about science and technology. Each issue is filled with feature articles written by prominent scientists and engineers, ...
An Introduction to Cosmology. By Dr. G. J. Whitrow. (Hutchinson's University Library, No. 29.) Pp. 171. (London: Hutchinson's University Library, 1949.) 7s. 6d. net.
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