Xiao P, a senior student of Yu Ren middle school in Yubei District, Chongqing, has been working on the US visa for several days. The 17 year old has 15 national patents. Recently, he received the invitation letter from the twenty-ninth international inventions exhibition of the United States of America in Chongqing.

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< p > yesterday, during the break, Tian Zizhong, vice principal of Yu Ren middle school, stood at the front desk of a controllable desk and looked at the improvement plan from time to time.

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< p > Shaw won the first prize in the science and technology festival with this adjustable table board, and won the gold medal for Song Qingling's children's invention last year.

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< p > Xiao Sa's first patent is to solve his cousin's troubles.

At the beginning of the first two years, the spring tour, Xiao sprinkles with cousin, cousin to climb the mountain.

My cousin wore a pair of 10 centimeters high heel shoes.

Halfway up the staircase, the cousin's face was red and her legs were soft. "These shoes are too hard to walk. If you can buy a pair of shoes that can be adjusted flexibly with the height and thickness of heels," /p.

< p > the speaker has no intention, the listener intends.

Shaw, 14, kept his cousin's worries in mind. After coming back, he began to ponder over the issue of new high-heeled shoes.

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< p > he first observed carefully all kinds of high-heeled shoes in his cousin's shoe cabinet and copied the drawings according to these high-heeled shoes.

Then he looked at some related physics textbooks and looked for design ideas.

A few months later, he thought of drawing a new type of high heel shoe with a rotatable heel, using the spiral rotation method, declaring and obtaining the national utility model patent.

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At present, Shaw has 15 national patents, officially obtained 3 certificates, and the other 12 are being processed, and the certificate is expected to be issued before the end of the year. P

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Recently, Shaw received the invitation letter from the twenty-ninth Pittsburgh INPEX international inventions exhibition, P.

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< p > China Intelligent Engineering Research Association, China Innovation delegation invited Shaw to join the Chinese team to participate in the invention competition in the United States.

The reason for this invitation is that last year Shaw won three gold medals in the Chinese District trials.

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< p > it is understood that the event is known as one of the "three great inventions Exhibition" of the world middle school students. It enjoys a high reputation in the world and has been recognized by some famous universities in the world.

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Xiao P has officially joined the Chinese team and will play the United States in June this year.

Yesterday, Xiao Shu revealed that, with the help of his teacher, he has devised a new exhibition - "portable sun umbrella". "In spring, everyone likes outdoor sports. The main functions of the portable sun umbrella are to cover the rain and cover the sun, to bring the hood with barbecue machine, to illuminate and fold it."

Xiao Sa said that these days he would start working on a new model.

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