Historian Eric Paddon dissects these claims in a series of essays based on his posts on the Internet. But unfortunately, the author not only distorts history, but unintentionally paints a very unflattering portrait of JFK. Do we have anyRead more
But should you even be working on such an idea? You are throwing away your market leadership. For most successful startups it's a necessary part of the feedback loop that makes the product good. You are giving a giftRead more
Self Healing Plastics
approach is for the capsules to release an adhesive that simply fills the crack and binds the material together. Materials like this have been tested by firing bullets (up to 9mm in diameter) at them. In a slightly different approach, the main body of the material is a solid polymer, while the capsules contain a liquid monomer (one of the basic, endlessly repeated units that makes up the polymer).
Materials scientists have been trying to design self-healing materials that work the same way. The tubes lead into pressurized reservoirs (think of syringes that are already pushed in slightly). Although you might think fiber-optic tubes would weaken a material, they can actually strengthen it by turning it into a fiber-reinforced composite (effectively, they serve as the fibers you'd get in something like fiberglass, or like the steel "rebar" rods in reinforced concrete ). When they cool down, the original the Psychological Theories on Juvenile Delinquencies polymer reforms, reversing the damage. Systems like this are sometimes known as autonomous adaptive structures and have been pioneered by materials engineer Henry Sodano.
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