A. Plutonium. The world's first nuclear explosion was achieved with plutonium, a man-made element produced in nuclear reactors. Plutonium is created when an atom of uranium-238 absorbs a neutron and becomes plutonium-239.
Infinity Tattoo Meaning. Infinity tattoos are steadily on the rise with many people opting to get these in one form or another. The infinity symbol, often used in mathematics, represents a never-ending loop and is depicted as a number 8 on its side. In the tattoo world this can be seen as a symbol of never-ending or limitless possibility. Some cultures also believe it to represent rebirth or reincarnation.
A number of symbols have been used with specific meanings. Some are definite while others have some hidden meanings. One of the top symbols that have a definite meaning is the infinity symbol. This symbol has been used in many areas, including tattoos. The infinity tattoos are commonly applied by many people and they have different meanings all together.