OTL is a stick figure of a person on all fours. O= head, T = arms on the ground, and L = legs. The lowercase form is orz. This emoticon can be used interchangeably with *worship* which simply means that you are grateful to whomever you present the emoticon to.
exists and is an alternate of . Nuclear fusion is a nuclear reaction, not a chemical reaction. In nuclear fusion, the nuclei of atoms combine in order to form new atoms (hence the term nuclear reaction). This type of reaction is mainly concerned with the movement of protons and neutrons.
This is called nuclear fusion. In the process some of the mass of the hydrogen atoms is converted into energy in the form of light. The same process occurs in thermonuclear (fusion) bombs. In the Sun the process occurs in a controled manner. In a bomb it happens all at once in a big chain-reaction explosion.