Pierre and Marie Curie are best known for their pioneering work in the study of radioactivity, which led to their discovery in 1898 of the elements radium and polonium.
1 The beam of your boat is the width at the widest part of the boat.  To measure the beam, stand inside the boat and run a measuring tape from the port (left) side to the starboard (right) side at the widest section of your boat.
Best Answer: One definition that is often used is that you can fit a boat inside a ship but you cannot fit a ship inside a boat. A ship is a commercial vessel such as a passenger ship, a freighter or a tanker. A boat is smaller - could be a fishing boat, a dinghy, a sailboat, a row boat, etc., and could actually be fairly large. A yacht is a personally owned pleasure boat, either a sail boat or a power boat, but is not a ship.