Most are smaller than a grain of sand, according to the American Meteor Society, and usually burn up before they hit Earth's surface.

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These can now be made as small as a grain of sand, yet judiciously placed in say a bedroom they can provide a video record of all that transpires.

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Such nanotechnology involves engineering carbon-based polymer molecules, one-millionth the size of a grain of sand, that attach to fibers to wick away moisture and resist stains, water and static.

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If thousands of people owned the team, any individual divorces would have been a mere grain of sand on the beach line of corporate operations.

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Finding the antigens is like searching a beach for a particular grain of sand.

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To better understand this, visualize a single grain of sand.

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Believe it or not, the cleaning must be sufficiently scrupulous so as to ensure that not a single grain of desert sand is transported out of the Middle East, lest it carry bacteria or diseases back to U.S. shores.

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