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The physics of domino

The physics of this effect is as follows: Dominoes standing, center of gravity high, down the center of gravity down, fall in the process, its gravitational potential energy into kinetic energy, it fell on the second card, the kinetic energy is transferred to the second card, the card will be the first card transfer to kinetic energy and fall by itself is in the process of transformation to the sum of the kinetic energy of the gravitational potential energy, go up to the third card… So when each card falls, it has more kinetic energy than the one before it, so they go faster than the other, that is, they fall with more energy than the other. Physicist A. Whitehead of the University of British Columbia once made A set of 13 dominoes, the smallest of which was the first. It is 9.53mm long, 4.76mm wide and 1.19mm thick, less than the size of a fingernail. Later, each body expanded 1.5 times, based on the fact that a domino could topple a 1.5 times larger one when it fell. The 13th largest card is 61mm long, 30.5mm wide and 7.6mm thick. It is close to the size of a playing card and 20 times thicker than a playing card. If this set of dominoes is arranged at proper spacing and the first one is gently pushed down, it will inevitably affect the 13th one. Because the energy of the domino effect increases exponentially, it takes 0.024 microjoules to topple the first domino, and 51 joules to topple the 13th. So the power of the domino effect is really amazing.

After all, A. Wildett didn’t make the 32nd domino, because it would be 415m tall, twice the size of the Empire State Building. If someone had made such a set of dominoes, skyscrapers would have been knocked down with the force of a finger, which shows the power of dominoes.

China

In the second year of Xuanhe, Emperor Huizong of the Song Dynasty (1120 AD), a game called “domino” appeared among the people. This kind of domino game was introduced into the palace during the Reign of Emperor Gaozong of the Song Dynasty, and then quickly became popular throughout the country. At that time, the dominoes were mostly made of tooth bones, so the dominoes were also known as “Tooth plate”, and folk called “pai Jiu”.

In the west

Pai Gow in ancient China

Domino actually originated from pai Gow in ancient China. According to records, spread to Italy in the 19th century, people use the number of points above the pai Gow to do some jigsaw games, then an Italian curious to erect the dominohttps://www.pokerchipsdominochess.com/double-6-domino-with-4-color-pvc-box-product/, gradually developed into the original “domino”.

On August 16, 1849, Italian missionary Domino returned to Milan from China after eight years’ absence. He presents gift after gift to his family, but his daughter, Little Domino, only likes pai Gow, a set of 28 bones. Her boyfriend, Arend, was impetuous, and Domino told him to put up 28 cards one by one, not to fall, and gave him a time to complete them – barring him from the dance for a week if he didn’t succeed! After 77, 49 days of hone, Allende finally become a strong character, work steady, let milan people surprised. So, in order to get more people to play dominoes, Missionary Domino made a large number of wooden dominoes and invented a variety of ways to play. Before long, wooden dominoes quickly spread through Italy and throughout Europe, and dominoes became an elegant European sport.


Post time: Jun-11-2022