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.
â¢ POSTER CHILD (noun) The noun POSTER CHILD has 1 sense: 1. a child afflicted by some disease or deformity whose picture is used on posters to raise money for charitable purposes. Familiarity information: POSTER CHILD used as a noun is very rare.
A display-quality 55x36 poster that a kid could even play with on the floor, without worries about tearing or wrinkling. As of September 2015, the price is $24. Be sure to choose the correct aspect ratio for the size you want! Readability and image quality are best for poster widths between 24 and 48. Many poster printers will still do fine at larger sizes, but I recommend that you not go much smaller.