In the never-ending war on corrosion, a patented, reinforcing-steel bar certified to last at least 100 years is receiving a second life thanks to venture capitalists hell-bent on improving infrastructure. But it is going up against a heavy tradition of epoxy-coated reinforcing bars, which are constantly on the move in an effort to stay a step ahead of the competition. Photo: NX Infrastructure An Obama-style stimulus plan would call for miles of steel reinforcing bar. Related Links: America May Gain from Materials Designed To Stretch Your Stimulus Dollars Packing in Particles Yields 100-Year Concrete Mixes Asphalt ‘Armor’ Is Wearing Well
The 2016 Summer Olympics boating and swimming events have put an international spotlight on what has been a long-running problem in Rio de Janeiro—untreated sewage and trash are clogging up major bays and waterways.