Radioactive decay is a spontaneous and random process. A block of radioactive material will contain many trillions of nuclei and not all nuclei are likely to decay at the same time so it is ...

and sugar cubes to simulate the radioactive decay of different isotopes. A radioactive isotope's nucleus is unstable and spontaneously decays, giving off radiation and changing into a different ...

The play set, created by Alfred Carlton Gilbert, was designed to be fun and educational for kids while also helping ... a spinthariscope for visualizing radioactive decay on a screen, and a ...

Certain isotopes are unstable and undergo a process of radioactive decay, slowly and steadily transforming, molecule by molecule, into a different isotope. This rate of decay is constant for a ...

It includes an electroscope to measure radiation levels, a spinthariscope that allows radioactive decay to be seen on a fluorescent screen and a cloud chamber that enables the user to watch alpha ...

THE world’s most dangerous toy that contains real radioactive substances is going on sale for £3,000. The atomic energy kit from 1950 contains actual uranium and allows kids to conduct ...

It also means that the process of radioactive decay cannot be speeded up or slowed down by any physical changes such as a change of temperature or pressure. A random process means that scientists ...