PROF. SODDY'S letter in NATURE of February 4 would seem to lead to certain interesting conclusions about the structure of the atom. It is easy to show that two elements of different atomic weight must ...

Having good neighbours can be very valuable – even in the atomic world. A team of Amsterdam physicists was able to determine ...

Millicurie quantities of 14 C do not present a significant external exposure hazard because the low-energy betas emitted barely penetrate the outer skin layer. The critical organ for uptake of many 14 ...

Researchers using the KEK Isotope Separation System (KISS) in Japan have created a new isotope of uranium with 149 neutrons to go along with the element’s 92 protons (Phys. Rev. Lett. 2023, DOI: ...

Superconductivity and quantum computing are two fields that have seeped from theoretical circles into popular consciousness.

DR. LINDEMANN (NATURE, March 4) deduces that the vapour pressure of lead from radio-active origin, or of radium D, should be very considerably different from ordinary lead at comparatively low ...