Fusion power would provide them with all the light and heat they could ever want.
The stuff is that important to fusion power, to Earth as a whole.
Fusion power is the process driving the sun and other stars.
If we had fusion power that would be a great leap forward.
Nuclear fusion power, on the other hand, seems very promising.
We might prefer to use fusion power, if we've got it.
There is currently international research being conducted into Fusion power.
However the effect of widespread fusion power may require attention in this area.
There are actually two signatures: one is something very close to fusion power.
If we'd gone under fusion power, the ship would have blown.