They discovered that by shifting the "phase" of light so that the peaks of one wave line up with the valleys of an adjacent one, the two cancel each other, creating "shadows" between waves that are smaller than the waves themselves(see diagram, p. 141).

FORBES: Trick Of The Light

They discovered that, by shifting the "phase" of light so that the peaks of one wave line up with the valleys of an adjacent wave, the two waves cancel each other out, creating "shadows" between waves that are smaller than the waves themselves(see chart).

FORBES: Trick of the Light

As detailed in the recently released 2010 Sustainability Report, the company has taken on various eco-initiatives, including an aggressive (and early) phase-out of incandescent light bulbs, the installation of solar panels on numerous U.S. stores, and the introduction of the IKEA Product Sustainability Scorecard.

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There has been a lot of excitement to be a part of this next phase in photography and start producing light field pictures in Australia.

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In an early phase, for example, veterans were cast in a positive light, appearing as larger-than-life figures.

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Sleep therapists correct the syndrome by forcing the advanced phase patients to stay up late and exposing them to bright light around 0230 AM - helping to "manually" reset the clock.

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The more that the light passing through the sample is slowed down, however, the more the two beams will be out of phase.

ECONOMIST: Microscopy