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¡¡¡¡Our physics professor was struggling to draw the class into discussion of Archimede's principle of water displacement. He told us that Archimede noticed that when he got into a pool at the public bathhouse, the water rose spilling over the edge. Excited at his discovery, he ran down the street yelling, "Eureka, eureka!" The instructor asked if anyone knew what that meant.¡¡¡¡One student stood up and answered, "I'm naked ! I'm naked!"

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¡¡¡¡A mother is very good at using every chance to educate his son, who was only three years old. One day, she took a plug and said to her son, " Look, there are two pieces of copper, so it must be plugged in a place where there are two holes. Where do you think it should be plugged?" She waited for an answer expectfully .¡¡¡¡"Plug in nose." is the answer.

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¡¡¡¡A short young man was running behind a bus which was full of passengers. But the bus still ran at a great speed.¡¡¡¡"Stop, stop, " a passenger looked out of the window, and shouted at the young man, "you can't catch it ! " ¡¡¡¡"I must," the young fellow said, out of breath, "because I'm only driver of the bus.

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