Slashdot Mirror


Bacteria Used To Fix Cracked Concrete

An anonymous reader writes "Researchers at the UK's University of Newcastle have created a new type of bacteria that generates glue to hold together cracks in concrete structures — that means everything from concrete sidewalks to buildings that have been damaged by earthquakes. When the cells have been germinated, they burrow deep into the concrete until they reach the bottom. At this point, the concrete repair process is activated, and the cells split into three types that produce calcium carbonate crystals, act as reinforcing fibers, and produce glue which acts as a binding agent to fill concrete gaps."

2 of 177 comments (clear)

  1. Obligatory overlord joke by unity100 · · Score: 0, Redundant

    Que all variations in this thread for the sake of tidiness in 3, 2, 1 ...

  2. Another problem is quacks. by Ungrounded+Lightning · · Score: 0, Redundant

    The problem, with bullet wound is... they are not always clean...

    Another problem is emergency room doctors who believe the myth of "hydrostatic shock" damage and chop out a core of tissue around the bullet's path (like a linear cancer) rather than treating it properly by cleaning and closing it (like a puncture-with-displacement wound).

    Yo, Docs! Even if the bullet WERE somehow traveling faster than the speed of sound in tissue (about mach 4.4), shock waves in tissue aren't any big deal! Think "Lithotripter".

    --
    Bantam Dominique roosters crow a four-note song. Once you've heard it as "Happy BIRTHday" you can't NOT hear it that way