Abstract: We design a leak detection system consisting of an adaptive observer based on a set of two coupled one dimensional first order hyperbolic partial differential equations governing the flow ...

With a little creativity, many common household items can be transformed into something else that's entirely different and amazing. Check out 110 extraordinary ways to reuse old items.

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Recently I got asked to size a high pressure natural gas line, which I’m not an expert at, but I wanted to help these guys out. A gas line is sized based on the type of gas used, so that is the first ...

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A college teacher sent a teenage student a social media message asking what she'd do with him if he was "pocket size, like six inches" and she could do anything she wanted with him. Mark Robertson ...