What can people screening see?When we travel in public places, we will pass through people screening. Everyone knows that people screening is to detect dangers, such as metal objects. When the human body carries illegal metal objects through the people screening, the police will be called. So you ma

What is people screening?James Clerk Maxwell proved that force, magnetism, and electricity are related. That is, when current is applied to the copper wire coil wound on the metal nail, the metal nail is magnetized. The people screening is to use this scientific principle to detect whether there are

With the development of society and science and technology, people have found one after another light, which has been applied in daily life and work. For example, X-ray screening can be used to detect some harmful substances. So, do you know anything about existing radiation, such as X-rays, alpha-rays, beta-rays, etc? Do you know the difference between them? Here we give a brief introduction, hoping to help you better understand radiation and its applications, such as X-ray screening.