• Wi-Fi networks can cause illness for children

    Wi-Fi networks can cause illness for children
    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
  • Mouse hovering in the air

    Mouse hovering in the air
    With the help of a strong electromagnetic field, American scientists have allowed mice to fly for several hours in the air.
  • Avoiding birds attacking aircraft

    Avoiding birds attacking aircraft
    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.
  • Stab the fire with a loudspeaker

    Stab the fire with a loudspeaker
    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