Faint! How Can It Still Kill the Enemy If It Is Used as a Defensive Weapon?

In a parallel world, the planet Earth is invaded by alien civilization, and human civilization is in a state of life and death. Lu Ping, as an intern at the 75th Weapon Research Institute, was bound to the abnormal dialogue future store system at the beginning. The system allows him to talk to his future self. Different futures can help him develop different weapons. A task is assigned at the beginning: Design a bulletproof helmet to protect the safety of soldiers. Lu Ping communicated with himself ten years later and designed a magnetic storm helmet Director: If I ask you to design a bulletproof helmet, how can it still attack? Lu Ping: Didn't you say you want to protect the lives of soldiers? Kill all aliens, soldiers will be updated soon The alien's face turned green: Despicable, this is obviously a bulletproof helmet, how can it shoot high-voltage lightning? Alien pawn Received another task: to design a field cooking pot Lu Ping communicated with himself one hundred thousand years later and designed a small gravitational black hole pot Then, countless aliens were sucked into the black hole pot and became fertilizer This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.