But now, with this proof of concept, Oil Creek Valley and the surrounding region erupted in the first oil boom.
However, note that the burden of this proof is on the investor: it is not on the company at all.
If you've ever wanted to swing on a star or see one up close, consider this proof positive Virgin Galactic's that much closer to making your dreams come true.
Foley believes that this is proof that Microsoft is in this business to build a high-quality product and not simply to beat Apple and scare its partners into building better products.
Opposition socialists say this is proof that Sarkozy's tough security measures have been a failure.
And as far as Clinton is concerned, this is proof that women in Israel are under attack.
It sounds impossible to just increase your money coming in but this is proof it can be done.
This is proof of something the doomsayers routinely discount, the wonderful combination of human ingenuity and market forces.
Mr Bush's critics used this as proof that his administration was not taking terror seriously in its first year.
You could see this as proof that markets are generally pretty efficient, or at least quicker on the uptake than the average hack.
Many will see this as proof, if any were needed after the fall of Barings, a British merchant bank, that derivatives are things in which banks should not dabble.
Republicans elsewhere claimed this was proof that the famous realignment that began in the Reagan era, more than a decade ago, is continuing apace in the once-solidly Democratic South.
Georgeson's Goldfarb, who specializes in proxy fights, sees this as proof that institutional investors are becoming more involved in companies in which they sink money, and cites fights that occurred at Willamette Industries and Hewlett-Packard (nyse: HPQ - news - people ) as proof.
This is the proof of a better future for children and adults struggling with this disease.
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This is either proof of the struggle or a sign of madness in great ones.
Now agreed, this is not proof of the contention, but it is at least very suggestive.
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Defenders of Social Security benefits sometimes cite this surplus as proof that there is no crisis.
In 1950 an international treaty exempted survivors or descendants from this burden of proof.
This is strong proof on how weak domestic demand is within the Eurozone.
This is further proof of how volatile sand state real estate still is.
Somehow, Forbes contributor Louis Woodhill uses this fact as proof that GM is headed for bankruptcy again.
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But it would be a tremendous mistake for the league to interpret this uproar as proof of an unbreakable grip.
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This rechargeable explosion proof LED flashlight offers multiple operating modes and the reliability and high output of LED lighting technology.
ENGADGET: Explosion-proof flashlight could be the first to outlive its owner
"As the art of bariatric surgery has evolved, it's become safer, and this study is proof of that evolution, " he said.
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Of course, Tom Vilsak and RFA tout this study as proof that federal biofuel policies not only benefit consumers, but should even be expanded.
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Some analysts have said the focus on wireless technology at Comdex this year is proof that the PC hardware show is no longer relevant.
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