decay

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Related to radioactive decay: alpha decay, half life, radioactivity
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Although, conclusions could not be definitely established regarding a diurnal variation of the radioactive decay, a clear peak was observed in the 12:004:00 PM time interval on 26 August 2001, far exceeding two-sigma in alpha particles per 4 hour interval.
During radioactive decay, a material loses some of its energy by sending out particles and radiation.
The idea that radioactive decay rates have been significantly different in the past is strongly contradicted by experimental data and theoretical analysis.
This observation laid the groundwork for Rutherford's classic lecture on the concept of radioactive decay sequences, a presentation in which he gave frequent reference to the work of 'Miss Brooks.
Here are two activities to help you better visualize the concept of radioactive decay and half-life.
The distribution of batting scores in Cricket shows an exponentially decreasing pattern similar to the radioactive decay curve.
Humans are exposed to radiation from various sources, such as medical or dental procedures, radioactivity in the air, food and drink, radioactive decay in rocks and soil and high levels of cosmic radiation during air travel.
Since bullets are made of lead, it would shield against the radioactive decay associated with these isotopes, and any radiation hazard is pretty much secondary to the primary trauma of the gunshot wound itself.
Radon is produced from radioactive decay of uranium that occurs naturally in rocks and soil.
A subsequent essay elucidates the concept of exponential growth, drawing upon examples that involve chessboards, bacteria colonies, world population, and radioactive decay.
This, of course, requires an observer and distinguishes synchronicity from the more general acausal orderedness such as radioactive decay, the speed of light, and other just-so constancies that one finds in the physical world.
The cylinder is irradiated, and the rate at which radioactive decay occurs is measured and related to the oxygen content of the sample.