Category: Science - Physics
Do you ever look at the things around you and wonder what they are made of? You may see a table that is made of wood. But what is _wood_ made of? What are you made of? What are carrots made of, and birds, and bikes, and baseballs?
Do you ever look at the things around you and wonder what they are made of? You may see a table that is made of wood. But what is _wood_ made of? What are you made of? What are...
2. Part 2Ordinary steam power plants depend on fossil fuels--coal, oil, or gas--to make heat. It has been figured out that if only coal were used for fuel, the world's supply would be us...