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.
Bow and Stern = Front and Back. The front of the boat is called the bow. The rear is the stern. If someone asks you to âthrow me the bowline,â you should toss him the rope at the front of the boat. Head = Bathroom . A bathroom on a boat is called a head. Again, how did this term come about? One theory is that the crew went to the bow (the front) of the boat to do their business.