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Corrections

JUL 01, 1974

DOI: 10.1063/1.3043331

Physics Today

May, pages 69–71: In the letter from Jack Sarfatt, equation 1 should read: ${m/m*⩾(m*/M)}^{1/3}$ and the term on the right‐hand‐side of equation 2 should be $10^{−13} cm .$ Also the last three lines of page 69 should read: “…the smallest possible mass for a gravitational bound state of black holes at $t = 0…,$ ” and the fifth line from the end of this letter should refer to “hadron pairs, lepton pairs and photons….”

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This Content Appeared In

Volume 27, Number 7

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