Uranium Two 35

Uranium comes in two flavors. In the earth's core, there's uranium two 35 and uranium two 38. Uranium two 35 is great for fusion. It splits nicely. It produces more neutrons its. But most of the uranium we find in the earth is uranium two 38,. The one it's not good for vision. More than 99 % of the naturally occurring uranium. We use it for nuclear reactors.