Kevin Knuth

We just collectively call it dark matter.

And there's dark matter in this room.

85% of what's here is dark matter.

You can't see it.

You can't feel it.

You don't interact with it except gravitationally.

That's it.

Just a gravitational interaction.

And so it isn't about, you know, people often go to, oh, it's seeing you only see a limited part of the spectrum.

No, it's bigger than that.

It's more impressive than that.

So there could be an entire dark matter environment right here in this room with living beings made of dark matter that I don't interact with at all physically, except gravitationally.

And the gravitational interaction between me and this chair here is small, so I wouldn't notice it.

Oh, they don't interact with us either.

That's true, yes.

So for them, we're the dark matter, right?

It would be the opposite.

The interesting thing that I find about the whole dark matter problem is if there is a dark matter universe here in this room, 85% of what's in this room is dark matter.

And it's in this room physically.

It's in this dimension, but you don't interact with it.