Now it is winter in the northern hemisphere again. As predicted by epidemiologists, the COVID-19 broke out again in winter. Whether at home or abroad, the COVID-19 has blossomed everywhere, making it impossible for people to prevent it. As the CAS Member said, in order to prevent the COVID-19 epidem

A powerful LED can effectively disinfect the surface and keep people safely. Physicists of the Institute of Physics and Chemistry have designed an efficient LED, which is fatal for microorganisms and viruses, but it is safe to humans. One day, it can help countries go out of the shadow of major epid

On September 29th, according to the official news of the Mogan Mountain High -tech Zone in Huzhou, at the promotion meeting of "Seeing Beautiful China in Huzhou" (Hangzhou), Huzhou Mogan Mountain High -tech Zone signed an annual output of 1.2 billion high -performance MEMS radio frequency chips , 10

October 1South Korea/ChuseokThe Chinese call August 15 of the lunar calendar as the Mid-Autumn Festival, and the Korean people (Korean, Korean and Chinese Korean) call it " Chuseok”. It is a festival of harvest and thanksgiving, which is even more grand than the Spring Festival among the Korean peop

Vacation after the epidemic In 2020, affected by the epidemic, the tourism industry in various countries around the world has been severely damaged, and the international tourism industry has almost completely stagnated. Last summer, the well -known tourist destinations such as Spain, Italy and Gre

European and American work culture is very different Although the U.S. economy has the same productivity and living standards as Western Europe, in fact, the two have very different work cultures, and it is difficult for American office workers to enjoy such long vacations. The United States is the

Foreign trade people who export to Europe and the United States know that July and August are the off-season for foreign trade, because European and American buyers all get together on vacation. Especially in Europe, vacations are called "an integral part of life". In 1993, the EU passed a "Working

Researchers at the University of Cambridge in the United Kingdom have combined printing nanotechnology, color science and advanced computing methods to successfully develop an LED smart lighting system that uses multiple colors to more accurately simulate white light. It is reported that using quan