It will become harder still with the creation of a single, liquid market in euro-denominated corporate bonds.

ECONOMIST: The imminent launch of the euro is a threat to Europe��s banks

The single currency has created a liquid market in European corporate bonds.

ECONOMIST: Bidding for the future | The

And as capital markets become more integrated and liquid, it is easier for single-country firms to raise money by selling bonds or shares.

ECONOMIST: Worldbeater, Inc

The IBM team's quantum computer was a straw-thin vial filled with a rust-colored liquid packed with millions of copies of a single organic molecule.

FORBES: Atoms Offer Giant Leap In Computing Power

For a quick tasting tutorial, famed whiskey taster Charles MacLean, author of Scotch Whisky : A Liquid History, demonstrates his approach for Single Malt TV.

BBC: A guide to the lingo and history of whiskey

As investment in single family homes picks up, the market will become somewhat liquid.

FORBES: The Housing Recovery: A Rethink