Half Life -

: You speak about a topic for 60 seconds , then immediately repeat the same message in 30 seconds , then 15 seconds , and finally in just one core sentence .

: You cannot predict when a single atom will decay, but you can precisely predict how long it takes for a large group of atoms to decay by half. 2. Video Gaming (The Half-Life Series) half life

In nuclear physics, the is the time required for a quantity (of a radioactive substance) to reduce to half of its initial value. It is a constant value for any specific isotope and describes the rate of exponential decay. The Formula : N0cap N sub 0 is the initial amount, is the time elapsed, and is the half-life. : You speak about a topic for 60