For example, some stars put out large amounts of energy in the infrared part of the spectrum, so that this can produce a different relative magnitude rating than using light energy from the middle of the spectrum.
From here, it becomes an engineering problem; the engineer considers the ground motion that will occur and evaluates the requirements of the proposed structure in the light of the local foundation conditions.
I try to be a guide for people, to make their darkness bright and to make the pathway light, and never to condemn or control or criticize.
I like light, color, luminosity. I like things full of color and vibrant.
What I'm trying to do is to at least raise a flag to the blinding light of technology.
When you can't make them see the light, make them feel the heat.
My cameraman and I devised a method, which we started using from my second film, which applies mainly to day scenes shot in the studio, where we used bounced light instead of direct light. We agreed with this thing of four or five shadows following the actors is dreadful.
My death, taking the light from my eyes, gives back to the day the purity which they soiled.
At this point in my career, Apollo 13 is a million light years away.
Solitude, though it may be silent as light, is like light, the mightiest of agencies; for solitude is essential to man. All men come into this world alone and leave it alone.
The American soldier is quick in adapting himself to a new mode of living. Outfits which have been here only three days have dug vast networks of ditches three feet deep in the bare brown earth. They have rigged up a light here and there with a storage battery.
Put it before them briefly so they will read it, clearly so they will appreciate it, picturesquely so they will remember it and, above all, accurately so they will be guided by its light.
Joy is like restless day; but peace divine like quiet night; Lead me, O Lord, till perfect Day shall shine through Peace to Light.
The devil himself had probably redesigned Hell in the light of information he had gained from observing airport layouts.
Sometimes it is better to light a flamethrower than curse the darkness.