At Wi Spa (www.wispausa.com), a 24-hour, Korean-style, three-story, 48, 000-square-foot haven, you can even spend the night - provided you sleep on the bamboo mats and wood block pillows in the Jimjilbang, or common area, located on the lower level.

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There is a famous story about a cell phone manufacturer focusing their design solely around a small block of wood.

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During our steep cliffside descent from Montespluga, Italy, a block of wood was slipped underneath the shoe to increase friction even further.

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In his basement workshop on a recent evening, Mr. Baum rotated from his drill station to his sanding station, working on a fresh block of wood.

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That means that an object under the stack - in the team's experiments, a block of wood about 10cm long - would not "hear" the sound, and any attempts to locate the object using sound waves would not find it.

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Today it's Plaid Cymru - a party with the newest leader on the block in Leanne Wood, and the party that's done the most thinking about its future over the past year.

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