Ford Motor has already been testing the theory of small premium cars, with some success.

FORBES

Ford Motor ( F - news - people ) has already been testing the theory of small premium cars, with some success.

FORBES: Autos

Even in the absence of plausible theory (or just common sense), rigorous clinical testing could provide evidence of homeopathy's effectiveness, but the data suggest otherwise.

FORBES: Homeopathic Medicine Is Homeo-Pathetic

More specifically, rather than provide a long manifesto of the theory behind lean startup, Udacity breaks down the process of launching a business into practical steps for systematically testing hypotheses and developing a business plan that will actually work.

FORBES: The Formula For Entrepreneurial Success Defined

The structure remains the third largest steerable telescope in the world and plays a key role in global research on pulsating stars, testing extreme physics theories including Einstein's general theory of relativity.

BBC: Astronomer Sir Bernard Lovell dies

Although Heyerdahl did take some modern equipment -- such as radios, charts and a sextant -- he argued these were all incidental to testing the theory that the craft itself could make the 4, 300 mile journey across some of the most challenging seas on Earth.

CNN: The Kon-Tiki: Crossing an ocean on balsa