(see image) Make sure your 2L bottle is flat on a ... When in the water, the straw submarine displaces an amount of water equal to its own submerged volume. The weight of this displaced water ...

Steve was inspired to build one after seeing Andy ... That's awesome that you built your own submarine." YouTube user bobbysenterprises3220 said: "Both the coolest and most terrifying thing ...

The U.S. Navy will push back construction of its next class of attack submarine, the SSN(X), until the early 2040s. Initially ...