B4C

Boron carbide ceramic is one of the hardest ceramic materials, falling just short of diamond and cubic boron nitride. Because of its low density (∼2520 kg/m3), it has become the material of choice for body armor systems. Below is the performa…

Nuclear energy supplied 19.4% of the total electricity used in the U.S. in 2013, or 789.0 billion kilowatt-hours, according to the Nuclear Energy Institute. However, the contribution of nuclear to the U.S. grid has been hovering around 19%–20% for th…