Can the human body security check instrument be used with confidence? Normally, don’t worry about the kind of hand-held metal detector we see at the airport or railway station. After all, that kind of detector uses the principle of magnetic induction, so a sweep will not endanger the health of the pregnant mother or the fetus. However, it is really necessary to keep an eye on it. For example, according to the news that broke out a long time ago, Shuangliu Airport has introduced a new type of human body security check device. The [frenzied] part of this security check device is called the “weak photon” that does not know what to say. It uses X-rays. Can pregnant mothers pass Read More …