Simple submarine manufacturing method

The manufacturing method of the simple submarine is as follows:

1, you need to prepare a bottle of mineral water, a small glass bottle and a fish tank.

2. Invert the small glass bottle on the water surface of the fish tank, and the bottom of the small glass bottle is flush with the water surface.

3. Take the small glass bottle out of the fish tank and block the bottle mouth with your fingers to prevent water from flowing out.

4. Open the mineral water, quickly put the small glass bottle into the mineral water bottle, and tighten the bottle cap of the mineral water bottle.

5, using Pascal's law, the air in the bottle is compressed, and the drainage volume of the small glass bottle that sinks into the water remains unchanged, and the gravity is greater than the buoyancy, so it sinks. So a homemade submarine was made.

Expand knowledge:

Submarine is a kind of ship that can sail underwater. It is usually used in ocean exploration, naval warfare, scientific research and military operations. Submarine is a kind of ship with special structure and equipment, which can sail both on the surface and underwater, and can stay underwater for a long time.

The main features of the submarine include:

Hull structure: The submarine hull is usually oval or cylindrical, with smooth appearance, which is beneficial to reduce water resistance and the stability of underwater navigation. The hull is made of high-strength special alloy or composite material to ensure the stability and safety in high-pressure underwater environment.

Power system: submarines are usually equipped with a variety of power systems, including motors, batteries, diesel engines, etc. Submarines usually use diesel engines to provide power on the surface of the water, while motors and batteries are used underwater.

Navigation ability: the submarine has good navigation ability on water and underwater. On the surface of the water, the submarine uses propeller or water jet propeller to sail; Underwater, submarines use electric propellers to sail and are usually able to dive in the deep sea.