If neutrinos do have mass could they be converted into energy? Also how abundant are neutrinos in our own galaxy/universe?
In: Physics
Can they be converted?
In theory. The thing about fuel is that it’s in a ready-to-use state.
We could smash one into it’s anti-particle, but we’d have to create the anti-particle in the first place and that defeats any power generation plans we might have.
How abundant are they? About the most abundant thing in the universe. I think something like a trillion are passing through the palm of your hand every second. [Relevant XKCD](https://what-if.xkcd.com/73/).
They don’t interact with matter very well.
You know how we use Lead to stop X-rays?
You’d need a barrier of Lead about a light-year thick (distance light travels in one years time) to have a 50/50 chance of stopping it.
They just don’t really interact with anything.
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