With improvement of people's living standards, demand for health is getting higher. Modern young people also like to play gyro skateboarding, which is actually roller-skating. Roller-skating is de...

Carbon nanotube is a one-dimensional quantum material with a special structure. It is mainly a coaxial round tube composed of carbon atoms arranged in a hexagonal shape. Its radial dimension is on the order of nanometers. The axial dimension is on the order of microns.

 It was March in an instant, and the hot summer began to count down. Many people cannot live without air conditioning in summer. But compared to air conditioners, electric fans are also unique an...

Nowadays, all of us are in an era of being surrounded by screens. We have a TV screen at home and a computer screen in the office. And also, there is a mobile phone screen in our pocket at any time. We spend a lot of time on all kinds of screens every day. The ubiquitous screens are affecting all aspects of our lives.