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Researchers develop new plastics that 'bleed' and heal like human skin
It looks like plastics may not be something for the squeamish in the not-too-distant future. Researchers from the University of Southern Mississippi recently revealed a new type of plastic they've been working on that takes its inspiration from human skin -- it "bleeds" red when it's scratched or cut and then heals itself when it's exposed to light. As Popular Science notes, self-healing plastics aren't something entirely new, but the "bleeding" (achieved using small molecular links or "bridges" that break when the plastic is scratched) is, as is the fact that this plastic can heal itself over and over again in the same spot. What's more, as it's made from water-based copolymers, it's also more environmentally-friendly than other plastics. Of course, it's all a ways from being used in actual products, but the researchers see no shortage of possibilities, including everything from self-healing car fenders to aircraft applications that could warn of problems before they get too severe.
Encrypted Text: Rogue roles in PvP
Every week, WoW Insider brings you Encrypted Text for assassination, combat and subtlety rogues. Chase Christian will be your guide to the world of shadows every Wednesday. Feel free to email me with any questions! The rogue is the most feared class in player vs. player combat. While other classes may have had their 15 minutes of fame at the top, the rogue has been perennially powerful. In WoW, we were so hated that an entire video series was dedicated to how overpowered we must've been. In The Burning Crusade, the legendary Warglaive combo made us infamous in arena play. Death knights did dominate in the early stages of Wrath, but rogues came back strong throughout the patches. Cataclysm was the first time that I ever worried about the survival of the class in PvP. With health pools skyrocketing again and the much-maligned stunlock nerfed, it was obvious that fights were going to last longer than ever. Our energy system enables us to keep up offensively for an indefinite period of time, but our defenses typically gave out once our cooldowns had been consumed. Figuring out a way to stay alive throughout prolonged combat was going to be the key to success.
