Researchers were unsure whether alpha particles would aid or hinder fusion. Simulations suggest they help, by dampening ...

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If you want to measure radioactivity, nothing really beats a Geiger counter: compact, rugged, and reasonably easy to use, they’re by far the most commonly used tool to detect ionizing radiation.

Alpha spotter the study was done using the Grand Raiden spectrometer at Osaka’s Research Centre for Nuclear Physics. (Courtesy: Thomas Aumann/TU Darmstadt) “Alpha clusters” resembling helium-4 nuclei ...