A beam of white light is split by a prism into rays of various colors.

I'll go put them on. ( all chattering )

And then when you add the lens to that, you can bundle the light and send it wherever you need it without any need to spill any light to the sky or anywhere else.

Mm hmm.

He said it, he did it.

Promise that you will keep your promise.

Did he tie you up?

Promise me.

A door made of light?

Give me some sunshine Give me some rain

A promise is a promise.

A deal is a deal.

You promised you'd stop smoking when I did. What... You promised you'd go back to the gym!

When did you last see him?

Do we?

A promise is a promise.

A deal is a deal.

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They're called laser range finders.

My brother for the light.

Here is another example of something which is this is a little spectrophotometer.

I mean, he's got appointments the rest of the day.

There should be a bundle of cable and pipes all heading in the same direction.

Keep him covered. You gave me your word, Dax.

Think about what you promised me.

I made him a promise.

Well, then that's what I'm gonna do.

Neither would any sensible predator.

When we add one grain on the first square, the total on the board is one.

The light penetrates the darkness.

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So for the deep sea squid hunt,

I had just taken trigonometry in high school,

Very good, sir, said Jeeves. Bicky turned to old Chiswick with a gleaming eye.

Just... stare at the lights.

When a neutrino hits a water molecule it emits a kind of blue light, a flash of blue light, and by looking for this blue light, you can essentially understand something about the neutrino and then, indirectly, something about the dark matter that might have created this neutrino.

But, that doesn't happen.

The light.

Red light, green light.

And for that reason, we cover the LED with a phosphor cap.

The neat thing about this is, you have light source that flickers on and off at about 1,000 hertz, another light source that detects that light at 1,000 hertz, and so you can run this system in broad daylight.

Photons

photons