How did Wang Chong expose the scam?

Wang Chong was a famous philosopher in the Eastern Han Dynasty. He likes natural science since he was a child. As a teenager, he used his wisdom to expose a deceptive trick.

One day, Wang Chong went to the market to play and saw an old Taoist cheating money. The Taoist priest put a statue on the small table in front of him and said to the onlookers, "My statue is a heavenly teacher. No matter what questions you ask him, you can immediately answer: if Tianshi nods, it must be a good thing; Shaking your head is troublesome. "

Wang Chong never believed these deceptive things. He approached the statue and observed it carefully. He found that the head of the statue was made of iron and the neck was movable. He picked up the ruler brought by the Taoist priest just now and found that one end of the ruler is a magnet and the other end is other metals such as iron. He immediately understood the trick of the old Taoist priest: waving one end of the ruler magnet at the statue, the iron head of the statue was attracted by the magnet, and of course it would shake, but the iron head would only move when the other end was close to the statue.

So he said to the person who asked the prophet, "Lao Dao is a liar, don't be cheated!" " In this way, he showed the truth to everyone.

When the old Taoist priest saw that his trick was caught by Chong Wang, he had to flee despondently amid the laughter of all.

Not to mention that in ancient times, even now, there are still many street tricks, such as "scientific speculation", "computer fortune telling" and "fortune telling", and they are still trying to cheat money. However, few people Rainbow rushed to the tricks who were exposed in public. Therefore, in the face of all kinds of deception, the most important thing is to keep your eyes open and arm yourself with a scientific mind, so as not to let yourself or others fall for it.