Both games feature animated textures, water flourishes and dynamic particle effects that rival the capabilities of their console competitors.

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Colloidal silver is a solution of submicroscopic particles of pure silver suspended in water by an electric charge on each particle.

FORBES: What's Next?

Study after study shows marked reductions in transmission in public spaces when hand hygiene is practiced, and a recent study found nearly undetectable influenza particle levels after hands contaminated with influenza were washed with either soap and water or an over-the-counter gel containing at least 50 percent alcohol.

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The architects worked with Pureti, a green-tech manufacturer (and winner of a 2011 "What's New" award from Popular Science), to develop a spray version of a titanium nano particle that, when activated by sunlight, oxidizes airborne particulates and converts them into water vapor and trace amounts of carbon dioxide.

WSJ: Turning Up the Volume in Public | By Julie V. Iovine