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.
Back to Top. A Light meter is a device which is used for the measurement of amount of light. One of the most important uses of light meter is in Photography.In Photography, it is used to find proper exposure of light.