The world's first white laser came out

Since the advent of the 1960s, lasers have "made a difference" in many fields, but it has always had a short board that emits only a single wavelength of light. Now that the U.S. scientists have solved the problem, they have developed for the first time a white-emitting laser. Th

Rainbow technology in glare iris recognition made a breakthrough

As one of the most convenient and accurate biometrics technologies, iris recognition technology can acquire the clear iris image of individuals and is directly affected by the environment. This environmental constraint has also become a technical challenge for all parties involved in the i

Wind speed monitor is affected by the alpine climate

The accuracy of wind speed data has a very important influence on the formulation of cultivation measures for facility agriculture. The application of automatic meteorological stations during modern agricultural planting is very common. The sensor for measuring the wind direction vel