It took just days for a construction crew to repair a road that collapsed into a sinkhole in the business district of Fukuoka, Japan.
After the sinkhole appeared on November 8, subcontractors worked around the clock to fill in the 30 meter (98 ft) wide, 15 meter (50 ft) deep hole by the 12th with a mixture of sand and cement. The job was complicated by the water which had seeped in from sewage pipes destroyed by collapsing sections of road.
After that it only took another 48 hours to reinstall all utilities -- electricity, water, sewage, gas and telecommunication lines -- and to resurface the road. There were no reports of injuries.
From Practical Engineering: Traffic management in dense urban areas is an extremely complex problem with a host of conflicting goals and challenges. One of the most fundamental of those challenges happens at an intersection, where multiple streams of traffic – including vehicles, bikes and pedestrians – need to safely, and with any luck, efficiently, cross […]
Practical Engineering is a video series that clearly and entertainingly explains how public infrastructure works – dams, water towers, bridges, reservoirs, and so on. Above: how water towers work. [via Doobybrain]
James "New Aesthetic" Bridle (previously) is several kinds of provocateur and artist (who can forget his autonomous vehicle trap, to say nothing of his groundbreaking research on the violent Youtube Kids spammers who came to dominate the platform with hour+ long cartoons depicting cartoon characters barfing and murdering all over each other?).
Whether you’re using them for next-level selfies or steady tracking shots, gimbals are a must for anyone who wants to maximize the potential of these powerful smartphone cameras we’re all carrying around. But those smartphones are also supposed to be portable, and let’s face it: Gimbals tend to offset that advantage. Weighing in at just […]
It’s too hot for yard sales, but hey: The internet is here for you. Here are the top ten deals on some of the Boing Boing Store’s best gear, just in time for summer. It’s everything from grills to security cameras to MacBook Pros, and they might be as low as they’re ever going to […]
When it comes to getting stats and ideas across quickly, there’s still nothing like a good slide presentation. But the critical word here is “good” – not 20 slides all thrown together with the same stock PowerPoint template. Whether it’s a crucial pitch for a new business or a quarterly report, Slideshop can be a […]