A new thermal-imaging device is helping contractors build better roads, and transportation owners are offering incentives to use it. div id="articleExtrasA" div id="articleExtrasB" div id="articleExtras" Available since last fall and officially rolled out at the World of Asphalt in Cincinnati in February, the new system, called Pave-IR, continuously monitors and records the location and temperature of asphalt as it is laid. Pave-IR helps contractors identify segregation, or weak spots, in the pavement as it happens. Manufactured by MOBA Corp., Limburg, Germany, the unit uses sensors and a display screen with colors that represent different temperatures. If the display shows a
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.