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Yes, that is a Porsche 911. Yes, that is fresh concrete. No, this is not some uber-powerful aftermarket-tuned car that just liquified the San Francisco pavement underneath – the Porsche was driven into this predicament. Now before we start passing judgment on this poor soul, a driver who ...
As anyone who's ever driven through Detroit can tell you, concrete doesn't fix itself. Or at least it doesn't right now. Thanks to research from a graduate student at the University of Rhode Island, that may change in the near future. Michelle Pelletier found that mixing a microencapsulated ...
More widely used in Europe than in America, retractable concrete-reinforced pillars, placed underneath the road, do a much better job than wooden toll arms or even tire-snagging spikes at stopping traffic from getting into restricted areas. As this video demonstrates however, some of the ...