electromagnetic field

So far, humans have lived on this blue planet for hundreds of thousands of years and civilization has lasted for more than 6,000 years.

WHO said that Wi-Fi wireless networks are at risk of causing illness for children. Similar statements were made during the annual meeting of the Advisory Committee of the

With the help of a strong electromagnetic field, American scientists have allowed mice to fly for several hours in the air.

Although very small in front of the giant iron bird, birds can seriously damage human property, not to mention the worst case of causing the plane to fall.

Fires in closed spaces such as planes, tanks, warships are always a great disaster for all armies. The Department of Defense's Advanced Research Projects (DARPA) has come up with