Isn’t it annoying when you’re on one side of a body of water and you can see the opposite bank, and you really want to get over there but alas, there’s no stretch of metal and concrete to bear you to the other side? Well, have I got the bridge for you. Or rather, Oregon has one and it needs to sell it. [More]
bridges
71 Drivers Cross A Defective Bridge In Chicago Every Second
By 10.20.11
A new study says that 71 drivers in Chicago cross a structurally defective bridge every second. [More]
Lead Found In Dental Appliance
By 2.29.08
Finally! It’s been so long since we’ve posted about anything tainted with lead that we were starting to wonder if all the world’s trade problems had been resolved—but now comes a new study that found 210 parts per million (ppm) of lead in the porcelain veneer of a dental crown ordered from China. That’s a lot less than the CPSC’s current 600 ppm threshold, but a lot more than the international standard of only 90 ppm. The good news is it’s highly unlikely developing children will need a mouth full of crowns and bridges. The bad news is it’s yet another example of how hazardous material can slip undiscovered into the marketplace—and your mouth.
