When light is in a wave form, it is subject to interference and disruption, often in predictable ways.
Thursday's Senate confirmation hearing will be, in popular mythology at least, a brief moment when light flashes into the darkness.
When light travels through glass, it slows down (the amount it slows is measured by a number called the refractive index).
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And when light passes through such an environment, it will slow down.
Electrons in a metal are free to oscillate when light hits them.
When light strikes a CCD, it excites the electrons in the chip, creating a grid of charged elements or pixels (for picture elements).
When light passes through, it behaves as a dimension of time, with the cobalt structure providing the foundation for two dimensions in space.
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Because gravity pulls on light as well as matter, when light passes by a heavy object it bends as though it is passing through a lens.
When light hits a plasmonic surface, it creates a wave of electrons that move at the same frequencies as photons, rather than the much slower frequencies of an electric current.
When light travelling through the core deviates from its course and hits the cladding, the boundary between the two acts as a mirror, and the errant light is reflected back into the core.
What Rand and his colleagues found is that at the right intensity, when light is traveling through a material that does not conduct electricity, the light field can generate magnetic effects that are 100 million times stronger than previously expected.
"Einstein's theory of general relativity tells us that mass bends space and time, so when light comes toward us through the Universe, if it passes some dark matter, its light gets bent and the image we see gets bent and distorted, " Dr Heymans told the meeting.
When light finally came up, three of the armored vehicles were up-ended in huge crater holes and trenches out there, but the most important thing -- the fuel trucks rolled in, they were not hit, they were not harassed in any way and they managed to deliver their vital supplies, which means the Marines now can push forward.
The GFP found in the Aequoria jellyfish produces some of its light when hit by ultraviolet light, some when hit by various shades of blue.
When I drive my car, I find myself praying for the light to turn red so I can have the fun of pulling nearly a full g of acceleration when the light turns green.
When bad light ended play early, the hosts were 272-3 with Amla on 89.
Wayne Parnell and Morne Morkel were at the crease when bad light brought a halt to proceedings.
When the light hits the cytochromes inside the fibroblasts' mitochondria, it stimulates the cell's energy transport system.
All of this adds movement to her pieces when the light hits them and as they move with the woman.
In reply, the hosts reached 76 for two when bad light stopped play half and hour before the scheduled close.
Martin van Jaarsveld and Neil Dexter saw the home side to the close without further loss when bad light intervened.
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At some level, this is natural in a dynamic economy, much as candle makers lost jobs when the light bulb was invented.
World number Tiger Woods had a superb day and fired nine birdies to reach 11 under overall when bad light stopped play.
Australia were 256-1, a lead of 107, when bad light ended a day which was shortened to 48 overs by bad weather.
Only if alpha were a smidgen smaller when the light passed through the gas cloud could such a pattern have been produced.
Amla was unbeaten on 89 and De Villiers was on 70 when bad light and rain ended play early on Saturday, having added 139.
Mohammad Aamer also took three wickets in conditions ideally suited to seam bowling, with Mike Hussey 39 not out when bad light brought an early finish.
Federer will face Gael Monfils or David Ferrer in the last eight, with the Frenchman leading 6-4 2-6 7-5 0-2 when bad light stopped play on Sunday.
But after dismissing Surrey for 216 earlier in the day, the visitors' lead stood at 228 when bad light in the capital forced an early closure to play.
He had been in contact with Atari to partner on some holiday menswear gifty items when the light bulb went off for more refined women's clothes, Sternberg explained.
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