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Circuit de Barcelona-Catalunya First Grand Prix1991Number of Laps66Circuit Length4.675kmRace Distance308.424 kmLap Record1:18.149 Max Verstappen (2021)

Heat-vision cameras have been used widely in many industries for decades: Soldiers find targets through heat-vision rifle sights, police mount them on helicopters to search for people on the ground and contractors use the sensors to look for cold air seeping into homes. Now you can buy a simple smartphone attachment to reveal the widely varying temperatures of the people and things around you. Maybe you’re not up for hunting Arnold Schwarzenegger, like the heat-seeing alien hunter in the classic 1987 film “Predator.” There are many practical home uses for the latest thermal camera accessories from Flir and Seek, too:...

Thermal imaging devices have been available for sale online, relatively cheaply, for at least a couple of years. But now, an iPhone attachment will let you carry a thermal imaging camera in your pocket. FLIR Systems, a specialized camera company, plans to release its thermal camera and app for iPhone for less than $350 this spring. These devices — which show you the image of what you are looking at but with colors highlighting heat levels from objects — are getting easy to own and use. And that means consumers could use them to spot a water leak in the...

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The U.S. Navy is playing catch-up by equipping some of its F-18E fighters with IRST (Infa-Red Search & Track). The first F-18E Block IIs are entering service, carrying an IRST pod. IRST uses a high resolution infrared (heat sensing) radar to positively spot and identify a potential aerial target (using a 3-D model of the target in its computer memory.) This is similar to the ATFLIR (Advanced Targeting Forward Looking Infrared) pods used to spot surface targets. FLIR (Forward Looking Infrared Radar) has been around since the 1980s, and as the technology became more powerful, it was possible to spot...

Police use new helicopter systems in two arrests May 7, 2007 - Chicago police used a new crime-fighting tool to make two arrests in the city over the weekend. It's a helicopter equipped with a thermal imaging system for spotting suspects in the darkness or in heavily wooded areas. In the first arrest, Chicago police, aided by Cook County Sheriff's police, used helicopter before dawn Saturday to track down and arrest a man wanted in the shooting of a suburban Markham police officer. In the second bust, Saturday night, the same helicopter task force helped Glenwood Police track down a...