Beta carbon nitride is a special type of material. It's made up of two different elements: carbon and nitrogen. Carbon and nitrogen are two of the most common elements on Earth. When they are combined together, they form a material called beta carbon nitride that has properties that make it useful in many different ways. For example, it's harder and more heat-resistant than most other materials, so it can be used to make tools and parts for machinery that need to be strong and able to withstand heat. The other special thing about beta carbon nitride is that it can also absorb light energy and turn it into electrical energy. This makes it a really useful material for making solar cells and other energy-capturing devices.