First of all, there is no enron nano cloth. Then nano-materials have certain uniqueness. When the size of matter is small enough, it is necessary to use quantum mechanics instead of traditional mechanics to describe its behavior. When the particle size of powder is reduced from 10 micron to 10 nanometer, although its particle size becomes 1000 times, it will be as large as 10 times when converted into volume, so there will be obvious differences between the two behaviors.

As far as the melting point is concerned, nano-powder has a high surface energy because there are fewer atoms in each particle and the surface atoms are in an unstable state, which leads to a large vibration amplitude of its surface lattice, thus producing a unique thermal property of ultrafine particles, that is, the melting point is reduced. At the same time, nano-powder will be easier to sinter at lower temperature than traditional powder and become a good sintering promoting material. So nano won't turn to stone after burning.

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Nano, light can also "blow" objects. When light shines on an object, it will also exert a force on it, just as the wind blows the sails. From jules verne to Arthur C clark, science fiction writers have fantasized about using the power of sunlight to push the "solar sail" and drive the spacecraft to sail in interstellar space more than once.

However, on the earth, the power of sunlight is so small that no one can move an object with sunlight. However, in the journal Nature on June 27th, 165438+ China scholars who are engaged in research at Yale University in the United States published an article, which confirmed for the first time that in the nano-world, light can indeed drive "machines"-nano-machinery made of semiconductors.

Baidu encyclopedia-nano material