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.
This is in contrast to reversed chines, which angle out from the hull at a downward angle. Again, all things being equal, of two boats with the same width chines, the one with reversed chines will likely be able to maintain a higher speed before pounding. Another element to consider is beam.