A submarine is a complex piece of machinery capable of sinking and surfacing at will, using a system of ballast tanks. Submarines float and sink because they control their buoyancy by making themselves more or less dense than the water around them. There is a simple and effective way to understand how a submarine dives and surfaces by building one out of an old soda or water bottle.

how to make a sinking homemade submarine

The first working submarine was built in 1620 by a Dutch inventor named Cornelius Drebbel. His invention, however, has roots that go back even further in time, and descriptions of submersible watercraft date back more than 2,000 years to the time of Alexander the Great.

how to make a sinking homemade submarine

Flies can be one of the most persistent household nuisances. Repelling flies from homes can seem like an impossible task -- especially during hot, damp weather -- when they multiply rapidly. Fortunately, there are a few homemade remedies that can help keep flies at bay. One of the best is homemade fly traps, combined with a couple of natural deterrents.

how to make a sinking homemade submarine

Sweet and Sour Chicken is easy to prepare at home. My family requests this dish on a regular basis.

how to make a sinking homemade submarine

While no homemade recipe will bleach jet-black hair to platinum blond, a number of ingredients can give your hair highlights or a softer, lighter color. These ingredients are simple to use and may be in your home.

how to make a sinking homemade submarine