Consumer goods such as hockey sticks and bicycles could get a major technological advancement in the coming years because of a new $23 million investment in Cambridge-based firm N12 Technologies. Brad Berkson, the company's CEO, said the new growth capital will go toward helping to commercialize the company's nanotechnology, which can vastly enhance the strength of composite materials in items ranging from hockey sticks to baseball bats and bicycle wheels. "Almost all major bike manufacturers and...