Other+Info+rasp2

More information [|here] and [|here].
 * Alpha particles ([[image:http://www.s-cool.co.uk/a-/phy-/nuclear_physics-/a-phy-nuclear_physics-nuclear_physics_files/image011.gif]]) travel slowly.
 * Beta particles ([[image:http://www.s-cool.co.uk/a-/phy-/nuclear_physics-/a-phy-nuclear_physics-nuclear_physics_files/image013.gif]]) travel pretty fast.
 * Gamma particles ([[image:http://www.s-cool.co.uk/a-/phy-/nuclear_physics-/a-phy-nuclear_physics-nuclear_physics_files/image015.gif]]) travel at the speed of light.
 * Radioactive atoms are continuously disintegrating. Depending on what type of element it is, it may take less than a second, or a billion years.
 * Any unstable particle is considered a [|half-life].
 * Radioactivity was discovered by A. H. Becquerel in 1896.

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