But, in the spirit of rebranding, it is interesting to note that the main source of Earth's internal heat comes from the radioactive decay of uranium, thorium and potassium-40 that keeps the outer ...

The "Gilbert U-238 Atomic Energy Laboratory" contains four real and radioactive uranium ores for kids to experiment with.

Kaya depleted 'yan kasi napiga na 'yung mga fissionable materials,' says geologist Dr. Carlo Arcilla, director of the Philippine Nuclear Research Institute ...

Fiestaware Uranium-238, alpha Alpha, beta Bright orange glaze on plate (!) is uranium oxide. Alpha, beta, and gamma emitters down the decay chain (uranium series). Radium watch dial Radium-226, alpha ...

^{4}\textrm{He}\) and is also sometimes written as \(_{2}^{4}\alpha\). Alpha decay causes the mass number of the nucleus to decrease by four and the atomic number of the nucleus to decrease by two.

Some elements are stable but some elements, such as uranium ... and how unstable nuclei decay release ionising radiation. He describes the nature of alpha, beta and gamma radiation, and observes ...