Evidence-based ideas to help kids communicate, connect, empathize, and read minds. Â© 2015 Gwen Dewar, Ph.D., all rights reserved. Social skills activities put to the test. We want our children to succeed in the social world--to learn how to cooperate, make friends, and negotiate conflicts.
A light pen is a light-sensitive computer input pointing device shaped like a wand. It is connected to a visual display unit or CRT monitor and allows the user to modify data and text or make menu selections on the screen. Light pens became popular during the 1980s.
Components of Ballpoint Pens. A variety of components are used to make ballpoint pens, including plastic, metal and chemicals. In most ballpoint pens, the writing sphere is made from brass, although you can also use steel or tungsten. In metal pens, the body, ink cartridge and spring are also made of brass or aluminum. Virtually all ballpoint pens contain a significant amount of plastic.