Then, it would pump out the water, float back to the top and relay its data back to the scientists via a satellite network.

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The rest of the vertical column is made from a material called syntactic foam - a solid made mostly of hollow "microballoons" - giving it enough buoyancy to float back up.

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He was one of the first to say, in the 1930s, that economies could just get stuck: they might sink, and then NOT float magically back up.

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And then they float, and then you can go back and collect them.

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"They served us with smiles, and served us in ways that are truly unthinkable, the things they had to do for us, yet they did it with smiles, " said passenger Joy Dyer, wearing a Triumph bathrobe with "Float Trip 2013" scrawled on the back.

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Float shrink means that companies in aggregate are buying back more shares than they are selling.

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Fifteen states have implemented PACE programs, which float bonds that pay for home efficiency upgrades that homeowners pay back through their property taxes.

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At current prices, this means that the company will buy back 982 million shares, or more than 20% of the company's float of 4.6 billion shares.

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