We recently saw research that suggested negative radiation pressure in light could lead to a practical tractor beam.
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I'm looking outside now and that's electromagnetic radiation - visible light.
Ms. SUZANNE THOMASSEN-KRAUSS (Textile Curator, Smithsonian Institution's Museum of American History): When you look at a lit object, what you're getting is only the light radiation that's reflecting back off the object.
Perhaps its greatest moment came in 1979 when it was the first telescope to observe a gravitational lens, an effect where a "massive" object bends electromagnetic radiation such as light around it.
This new photogenic moment, released Thursday, comes courtesy of the European Space Agency's Planck space telescope, which detects cosmic microwave background radiation -- the light left over from the Big Bang.
The winner, however, was Steve Meretzky, developer of Zoo Tycoon, whose concept game Bac Attack pits players armed with light and radiation against a bacterial colony in a petri dish -- when the player is inevitably overwhelmed by the bacteria, Steve suggests calling the government to arrange a sale.
But over time, the white paint would be reflecting light and other electromagnetic radiation from its surface.
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When it is ground into nanoparticles it can still block harmful ultraviolet radiation, but it allows visible light to pass straight though, which means modern sunscreens can appear completely transparent, while offering the same protection as the old white stuff.
Gamma rays are high-frequency electromagnetic radiation essentially, extremely energetic light.
Dr Haroche worked on photons (the particles of light and other forms of electromagnetic radiation).
In fact, this dish can detect radiation from galaxies that are roughly 5 billion light years away.
Cherenkov radiation is produced by something travelling faster than light.
It was also a big week for lighting news as we learned that compact fluorescent light bulbs emit potentially harmful UV radiation -- another good reason to make the switch to LEDs.
If they truly were perfect opposites, equal amounts of the two would have been made in the Big Bang, and they would have annihilated each other long since, leaving only light and other forms of electromagnetic radiation to fill the universe.
The telescope gathers and focuses electromagnetic radiation (usually, but not always, visible light) to make far-off objects seem brighter and closer.
The sort of light they are looking for is called Cherenkov radiation.
When we talk about telescopes, we're usually referring to devices that "see" the visual spectrum of light, but astronomers also build telescopes that gather radiation like radio waves and X rays in order to peer deep into outer space.
Even something too small to emit visible light will probably give off radio waves and infra-red radiation (Jupiter does).
Crops need a sheltered environment, protected from the extreme temperatures and frightening levels of radiation found on the moon's surface, with water, carbon dioxide and light.
With light and power sorted, the next challenge would be protecting green houses from cosmic radiation, micro-meteorites and other dangers presented by the absence of an atmosphere.
"One nice thing about light is that creatures develop eyes, and it would be possible to make optical radiation bright enough to see, " says Paul Horowitz, a professor of physics at Harvard University.
"Using ultra-short light pulses gives us the ability to focus in a well confined region and the ability for intense radiation, " said Parigger.
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