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A test of success

"Anything that won't sell, I don't want to invent. Its sale is proof of utility, and utility is success." Thomas A. Edison (1847-1931).

Staying in the loop

A new Munich-based company that says its patented technologies can reduce household water consumption by 90 per cent on average is looking for more investment.

The view from Angle

We interview Andrew Newland, head of a venture capital consultancy with a long-term strategy of working with scientists and inventors.