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.
yacht services, yacht suppliers, boat. The stern is the back side of the boat or ship, it is the exact opposite end of the boat from the bow or front. It is technically defined as the area built up over the stern post, extending upwards from the counter rail to the taffrail.