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If you want to write immortal songs, write them so that they seem complicated, but in terms of data, can be compressed to a minimum.

It's been 38 years since NASA first

The boom of science and technology has made people's lives more and more comfortable.

The biggest obstacle in communication between the deaf and the common person is that the two parties can not communicate directly with one another. Although sign language has

Korean scientists have developed a technology that converts the sound into electricity, which can then be charged by the user's mobile phone.