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Issues

Letters

Physics Today 21 (2), 9–17 (1968); https://doi.org/10.1063/1.3034799
Physics Today 21 (2), 17 (1968); https://doi.org/10.1063/1.3034757
Physics Today 21 (2), 17 (1968); https://doi.org/10.1063/1.3034758

Phimsy

Physics Today 21 (2), 19–21 (1968); https://doi.org/10.1063/1.3034759

Articles

Physics Today 21 (2), 23–28 (1968); https://doi.org/10.1063/1.3034760

There is in general no accurate theoretical description of the behavior of a system as it passes through its critical point. Current work, both experimental and theoretical, attempts to provide a unified theory that will be applicable to many different kinds of phase transition.

Physics Today 21 (2), 31–37 (1968); https://doi.org/10.1063/1.3034761

How are sonic booms created? What do they do to people and buildings? Will the future be dominated by the boom?

Physics Today 21 (2), 43–48 (1968); https://doi.org/10.1063/1.3034762

Improved understanding of electron‐hole recombination in semiconductors has accompanied efforts to increase the efficiency of diodes that emit visible light.

Search and Discovery

Physics Today 21 (2), 51–52 (1968); https://doi.org/10.1063/1.3034763
Physics Today 21 (2), 53 (1968); https://doi.org/10.1063/1.3034764
Physics Today 21 (2), 53–55 (1968); https://doi.org/10.1063/1.3034765
Physics Today 21 (2), 53 (1968); https://doi.org/10.1063/1.3034766
Physics Today 21 (2), 55 (1968); https://doi.org/10.1063/1.3034767
Physics Today 21 (2), 55–57 (1968); https://doi.org/10.1063/1.3034768
Physics Today 21 (2), 57–59 (1968); https://doi.org/10.1063/1.3034769

State and Society

Physics Today 21 (2), 63 (1968); https://doi.org/10.1063/1.3034770
Physics Today 21 (2), 63–65 (1968); https://doi.org/10.1063/1.3034772
Physics Today 21 (2), 65 (1968); https://doi.org/10.1063/1.3034773
Physics Today 21 (2), 65–67 (1968); https://doi.org/10.1063/1.3034774
Physics Today 21 (2), 67–69 (1968); https://doi.org/10.1063/1.3034775
Physics Today 21 (2), 69 (1968); https://doi.org/10.1063/1.3034776
Physics Today 21 (2), 69 (1968); https://doi.org/10.1063/1.3034777
Physics Today 21 (2), 69–71 (1968); https://doi.org/10.1063/1.3034778
Physics Today 21 (2), 71 (1968); https://doi.org/10.1063/1.3034779

Resonances

Physics Today 21 (2), 63 (1968); https://doi.org/10.1063/1.3034771

Books

Physics Today 21 (2), 73–74 (1968); https://doi.org/10.1063/1.3034780
Physics Today 21 (2), 74–75 (1968); https://doi.org/10.1063/1.3034781
Physics Today 21 (2), 75 (1968); https://doi.org/10.1063/1.3034782
Physics Today 21 (2), 75–77 (1968); https://doi.org/10.1063/1.3034783
Physics Today 21 (2), 77–79 (1968); https://doi.org/10.1063/1.3034784
Physics Today 21 (2), 79–80 (1968); https://doi.org/10.1063/1.3034785
Physics Today 21 (2), 80–81 (1968); https://doi.org/10.1063/1.3034786
Physics Today 21 (2), 81–83 (1968); https://doi.org/10.1063/1.3034787
Physics Today 21 (2), 83 (1968); https://doi.org/10.1063/1.3034788
Physics Today 21 (2), 83–84 (1968); https://doi.org/10.1063/1.3034789
Physics Today 21 (2), 84–85 (1968); https://doi.org/10.1063/1.3034790
Physics Today 21 (2), 85–86 (1968); https://doi.org/10.1063/1.3034791
Physics Today 21 (2), 86–87 (1968); https://doi.org/10.1063/1.3034792
Physics Today 21 (2), 87–89 (1968); https://doi.org/10.1063/1.3034793
Physics Today 21 (2), 89–91 (1968); https://doi.org/10.1063/1.3034794
Physics Today 21 (2), 91 (1968); https://doi.org/10.1063/1.3034795
Physics Today 21 (2), 91–93 (1968); https://doi.org/10.1063/1.3034796

Meetings

Physics Today 21 (2), 95–99 (1968); https://doi.org/10.1063/1.3034797
Physics Today 21 (2), 99 (1968); https://doi.org/10.1063/1.3034798

We Hear That

Physics Today 21 (2), 101–103 (1968); https://doi.org/10.1063/1.3034747
Physics Today 21 (2), 103–105 (1968); https://doi.org/10.1063/1.3076276
Physics Today 21 (2), 105 (1968); https://doi.org/10.1063/1.3034748
Physics Today 21 (2), 105 (1968); https://doi.org/10.1063/1.3034749
Physics Today 21 (2), 105 (1968); https://doi.org/10.1063/1.3034750

Obituaries

Physics Today 21 (2), 105 (1968); https://doi.org/10.1063/1.3034751
Physics Today 21 (2), 105–107 (1968); https://doi.org/10.1063/1.3034752
Physics Today 21 (2), 107 (1968); https://doi.org/10.1063/1.3034753
Physics Today 21 (2), 107 (1968); https://doi.org/10.1063/1.3034754

Calendar

Physics Today 21 (2), 109–116 (1968); https://doi.org/10.1063/1.3034755

Editorial

Physics Today 21 (2), 120 (1968); https://doi.org/10.1063/1.3034756
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