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Issues

Letters

Physics Today 22 (11), 9 (1969); https://doi.org/10.1063/1.3035280
Physics Today 22 (11), 9–11 (1969); https://doi.org/10.1063/1.3035281
Physics Today 22 (11), 11 (1969); https://doi.org/10.1063/1.3035245
Physics Today 22 (11), 11 (1969); https://doi.org/10.1063/1.3035246
Physics Today 22 (11), 11–17 (1969); https://doi.org/10.1063/1.3035247

Phimsy

Physics Today 22 (11), 19–21 (1969); https://doi.org/10.1063/1.3035250

Articles

Physics Today 22 (11), 25–30 (1969); https://doi.org/10.1063/1.3035251

In the early days of x‐ray diffraction, scattering close to the primary beam was a nuisance, to be disposed of with a large beam trap. Careful study of this scattering has yielded information on features intermediate in scale between that of the atomic arrangement in a crystal and that of the images in the electron microscope.

Physics Today 22 (11), 33–37 (1969); https://doi.org/10.1063/1.3035252

Nations without nuclear weapons agree, if they sign the nonproliferation treaty, not to acquire them. The International Atomic Energy Agency is preparing to extend its existing procedures to verify compliance with the treaty.

Physics Today 22 (11), 40–44 (1969); https://doi.org/10.1063/1.3035253

Protection of fissionable materials becomes increasingly a problem as private nuclear industry grows. Physicists can help the safeguards program by developing improved materials‐analysis methods.

Physics Today 22 (11), 47–53 (1969); https://doi.org/10.1063/1.3035254

The study of sound, which traditionally crosses departmental boundaries, finds applications in widely separated fields. Apart from the many established areas of music, noise, speech, vibration, and so on, newer applications to physics research are becoming apparent.

Search and Discovery

Physics Today 22 (11), 55–56 (1969); https://doi.org/10.1063/1.3035255
Physics Today 22 (11), 56–59 (1969); https://doi.org/10.1063/1.3035256
Physics Today 22 (11), 59 (1969); https://doi.org/10.1063/1.3035257
Physics Today 22 (11), 59 (1969); https://doi.org/10.1063/1.3035258
Physics Today 22 (11), 59 (1969); https://doi.org/10.1063/1.3035259

State and Society

Physics Today 22 (11), 63–65 (1969); https://doi.org/10.1063/1.3035260
Physics Today 22 (11), 65–67 (1969); https://doi.org/10.1063/1.3035261
Physics Today 22 (11), 67 (1969); https://doi.org/10.1063/1.3035262
Physics Today 22 (11), 67 (1969); https://doi.org/10.1063/1.3035263
Physics Today 22 (11), 67 (1969); https://doi.org/10.1063/1.3035264
Physics Today 22 (11), 67 (1969); https://doi.org/10.1063/1.3035265

Books

Physics Today 22 (11), 69–70 (1969); https://doi.org/10.1063/1.3035266
Physics Today 22 (11), 70–71 (1969); https://doi.org/10.1063/1.3035267
Physics Today 22 (11), 71–73 (1969); https://doi.org/10.1063/1.3035268
Physics Today 22 (11), 73–75 (1969); https://doi.org/10.1063/1.3035269
Physics Today 22 (11), 75 (1969); https://doi.org/10.1063/1.3035270
Physics Today 22 (11), 75–77 (1969); https://doi.org/10.1063/1.3035271
Physics Today 22 (11), 77 (1969); https://doi.org/10.1063/1.3035272
Physics Today 22 (11), 77–79 (1969); https://doi.org/10.1063/1.3035273
Physics Today 22 (11), 79 (1969); https://doi.org/10.1063/1.3035274
Physics Today 22 (11), 79–81 (1969); https://doi.org/10.1063/1.3035275
Physics Today 22 (11), 81 (1969); https://doi.org/10.1063/1.3035276
Physics Today 22 (11), 81–85 (1969); https://doi.org/10.1063/1.3035277

Meetings

Physics Today 22 (11), 87–93 (1969); https://doi.org/10.1063/1.3035278
Physics Today 22 (11), 93–99 (1969); https://doi.org/10.1063/1.3035279

We Hear That

Physics Today 22 (11), 101–107 (1969); https://doi.org/10.1063/1.3035240

Obituaries

Physics Today 22 (11), 107 (1969); https://doi.org/10.1063/1.3035241
Physics Today 22 (11), 107 (1969); https://doi.org/10.1063/1.3035242
Physics Today 22 (11), 107–109 (1969); https://doi.org/10.1063/1.3035243

Calendar

Physics Today 22 (11), 111–116 (1969); https://doi.org/10.1063/1.3035244

Guest Editorial

Physics Today 22 (11), 120–121 (1969); https://doi.org/10.1063/1.3035248
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