Proof that light only travels in a straight line.

The telescope is designed to take correlated images in a range of wavelengths from visible light, through the Lyman alpha line to far ultraviolet.

A line through P parallel to line L. Yeah!

This puts the spotlight on India all the more.

Select l will not let you do it. I lost my mother is not with you, too.

That show feed maybe one toe was over the halfway line ( edit if incorrectly subbed ) Scotland losing that match to 1, but fans at least on road at least had that goal keep them smiling... ( edit if incorrectly subbed ) ...and chatting about afterwards.

Whose handwriting is this?

The light... The sky and the light.

Dash, dash, dot, dot, dot, dot, long dash.

And you can see how the lines occur in these little groups of bump, bump, bump, bump, bump.

Turn on the light, please.

Turn off the light, please.

I need more light.

Please turn on the lights.

Are you afraid of the light?

Now free of the light.

Light you can't see light.

What handwriting!

Well this is a line, and this is a line.

If he uses it to look at an object in this case, a candle he can see the candle through the tube, which is good evidence that the light is travelling up in a straight line.

And this is kind of the pure geometrical versions of these, of these, things. And so a line segment is actually probably what most of us associate with a line in our everyday lives.

So it's a classic parallel line with a transversal problem.

the lampstand also for the light, with its vessels, its lamps, and the oil for the light

The candlestick also for the light, and his furniture, and his lamps, with the oil for the light,

Oh, wait. The light. You were up last.

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.

less that the speed of light.

They're smaller than the wavelength of light.

It's made of light and shadow.

Of night and light and the half light,

Turn round to the light please.

And a light from its summit Doth illumine me

Why should I be afraid of the light?

Give me some more light. There!

Will you cut that sunshine out?

Have something now. Thank you, Sarah.

Polar Point of a Line

Polar Line of a Point

Let's say that I have a line that bisects that bisects this chord from from the center.

But what we can do is create a slightly more general word than the word perpendicular.

Give me long distance, please.

Down there, straight ahead.

Light

AntSpotlight

Spotlight