Intrinsically safe environments like this petrochemical plant you can't use RF, it may generate antenna sparks, but you can use light you see plenty of light there.

That metal acts as a micro louver, so from the exterior of the building the sun sees it as totally opaque, but from the interior it's entirely transparent.

And inside, the daylight each one is an optic and it brings light into the center.

I wanted high ceilings, big windows, lots of light.

Daylight, you could call it, transparency.

So we, we've looked at articulating mirrors of the facade that can throw shafts of sunlight anywhere into the space, therefore allowing you to shade most of the glass on a hot day like today.

We were using it at lunch today in the sunlight, and the more sunlight the better.

And light and shadow are a very important part of her work.

So for direct light, it takes only one bounce, for off axis light it might take two, and for extreme off axis, it might take three.

On its second of four planned missions aboard the Shuttle, SPARTAN contained two instruments the NASA designed White Light Coronograph to measure the density and distribution of the electrons in the coronal holes and polar plumes of the Sun and the Ultraviolet Coronal Spectrometer, designed by the SAO.

For instance, you see the spectral line of the gold is the only spectral line in the spectrum of the Sun.

Jansky had made a historic discovery, that celestial objects could emit radio waves as well as light waves.

There are never any lights there, except the lights that we bring.

Find the energy of X ray spectral lines

I have solidified the beam of the laser pointer.

Light comes through, it bounces back off the layers it's called thin film interference. Imagine being able to self assemble products with the last few layers playing with light to create color.

We think we can also personalize sunlight.

There's this group online that I frequent.

(b) Visible and infrared mapping spectrometer (VIRTIS).

The only thing left now is a permanent shadow of positive light.

It doesn't need light.

Moths are attracted by light.

The protocells can actually move away from the light.

There is insufficient light to take pictures.

And all the light that we see from a typical galaxy, which is the kind of galaxies that we're seeing here, comes from the light from the stars.

And the good thing about perceiving ultraviolet is that you can hear if it's a good day or a bad day to sunbathe, because ultraviolet is a dangerous color, a color that can actually kill us, so I think we should all have this wish to perceive things that we cannot perceive.

This is the spectrum of the Sun 24,000 spectral lines, and about 15 percent of these lines is not yet identified.

I had just taken trigonometry in high school, I learned about the parabola and how it could concentrate rays of light to a single focus.

It's this non tracking collector with these six tuba like horns, and each of them collect light in the following way if the sunlight strikes right here, it might bounce right to the center, the hot spot, directly, but if the sun is off axis and comes from the side, it might hit two places and take two bounces.

Analyse X ray Fluorescence data

And he said that he could actually see an x ray of his fingers, because the light was so bright.

Then light began to travel through the universe.

And as the day goes by the bacteria double, they release the molecule, and then light comes on at night, exactly when the squid wants it.

And so plants and animals developed their own internal clocks so that they would be ready for these changes in light.

For the stars of the sky and its constellations will not give their light. The sun will be darkened in its going forth, and the moon will not cause its light to shine.

For the stars of the sky and its constellations will not give their light. The sun will be darkened in its going forth, and the moon will not cause its light to shine.

For the stars of heaven and the constellations thereof shall not give their light the sun shall be darkened in his going forth, and the moon shall not cause her light to shine.

For the stars of heaven and the constellations thereof shall not give their light the sun shall be darkened in his going forth, and the moon shall not cause her light to shine.

It has parallel lines, which are sun rays.

And this is all about darkness as much as it is about lightness, of course, because otherwise you don't see these dynamics.

In those heady days, we were experimenting with chat rooms and online virtual communities.

The earth quakes before them. The heavens tremble. The sun and the moon are darkened, and the stars withdraw their shining.

The earth quakes before them. The heavens tremble. The sun and the moon are darkened, and the stars withdraw their shining.

The earth shall quake before them the heavens shall tremble the sun and the moon shall be dark, and the stars shall withdraw their shining

The earth shall quake before them the heavens shall tremble the sun and the moon shall be dark, and the stars shall withdraw their shining