Pure titanium dioxide has a very high index of refraction and an optical dispersion higher than diamond.

He applied the methods of physical mathematics to the study of optical images and of the refraction of light in the eye.

By the Manifest Book

By the Manifest Book !

By the Manifest Book

Some successes have become manifest.

But all things that are reproved are made manifest by the light for whatsoever doth make manifest is light.

This is indeed the manifest trial . '

I am just a manifest warner .

This was indeed a manifest test .

Do you have a manifest authority ?

that surely was a manifest trial ,

Or have ye an authority manifest ?

This is indeed the manifest trial . '

I am just a manifest warner .

This was indeed a manifest test .

Do you have a manifest authority ?

that surely was a manifest trial ,

Or have ye an authority manifest ?

Snell's Law describes how electromagnetic waves change direction at the interface between two mediums with different IR thus bubbles can be identified from the accompanying refraction and internal reflection even though both the immersed and immersing mediums are transparent.

This is the legacy of manifest destiny.

I am naught but a warner manifest .

These are verses of the Manifest Book .

Verily that ! that was a trial manifest .

Verily , that indeed was a manifest trial

Most surely this is a manifest trial .

I am naught but a warner manifest .

These are verses of the Manifest Book .

Verily that ! that was a trial manifest .

Verily , that indeed was a manifest trial

Most surely this is a manifest trial .

But a third factor has become manifest recently.

and say , ' Surely , I am the manifest warner . '

Those are the signs of the Manifest Book .

' By God , we were certainly in manifest error

Those are the signs of the Manifest Book .

Surely We have given thee a manifest victory ,

And on us is naught but manifest preaching .

Verily then I should be in error manifest .

Assuredly he beheld him in the horizon manifest .

Then truly I should be in error manifest .

These are the signs of the Manifest Book .

These are the signs of the Manifest Book .

Indeed , then I would be in manifest error .

certainly he saw him on the manifest horizon ,