Can't display Java-Applet. I'd like to introduce you few topics I am interested in. But less useful day by day.
Nothing is faster and lighter than light.
If we use light rather than electrons, we hace to change our devices such as wires to optical fibers, transistors to smart pixels. That's the essential dream among the many physicists. In the beginning, whole universe was governed by a force. A big problem has occured. But Gravitation always attract each other.