Up until the 17th century, our descriptions of it varied from an invisible, intangible, imponderable agent or even threads of syrup which elongate and contract.

Comment visible

Visual effects

Visualization

Invisible.

But it is invisible.

Non Latin1 Support

Non uranium mining

They have no apparent eyes.

I'm invisible. You see?

Simple idea. Invisible.

There is no (splash) visible

The substance of things unseen.

It's visual. It's musical. It's sensorial.

The changes are happening. They're very visible.

Attendance by non members of the Committee

Passive visual notifications for the user.

And do you know what? It would just barely be visible.

Gets visible as it coagulates, I see.

Hey, am I invisible now?

Some call it the invisible utility.

Those are invisible.

Held together by invisible forces

Therefore other languages are for a sign, not to those who believe, but to the unbelieving but prophesying is for a sign, not to the unbelieving, but to those who believe.

Wherefore tongues are for a sign, not to them that believe, but to them that believe not but prophesying serveth not for them that believe not, but for them which believe.

Attendance by non members of the Committee

He'll not kneel to any god but his own.

Why do you spend money for that which is not bread? and your labor for that which doesn't satisfy? listen diligently to me, and eat you that which is good, and let your soul delight itself in fatness.

Wherefore do ye spend money for that which is not bread? and your labour for that which satisfieth not? hearken diligently unto me, and eat ye that which is good, and let your soul delight itself in fatness.

Crane, Diana (1972) Invisible colleges.

Institutional mechanisms

And I'm now going to make it visible to you in your minds.

You know what? It would be invisible.

An Invisible Man! said Mr. Marvel.

Anas Operates with Invisible Powers?

And then you have other stories, unseen.

You are practically invisible, but for the sake of demonstration,

It has nothing to do with ghosts. Ghosts are visible.

Nonbelligerents will kindly remain neutral.

Any reason why I shouldn't?

I'm invisible. That's the great point.

And if you could see invisible matter, too.

'Likeness' is a good word, because it is 'like' Augustus, but not exactly Augustus because, surely, this is idealised

So they decided to make them visible. And what I was told would never happen suddenly became possible.

But they're also visible.