Top new questions this week:
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In this article www.sciencedirect.com/science/article/pii/S266711312200002X the authors show a result of prediction on energy reserves (in particular solar ones) as known in 2015 (Figure 1) …
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Many will say it is Dielectrics are used to store the electric charges, while insulators are used to block the flow of electric charges. Yet the only difference often is the dielectric constant. So …
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What (standardized) naming is enough to completely specify a type of steel? That is, the composition and properties. Take for example 1.0037 S235JR. Are these two numbers linked/equivalent, do you …
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For the very first time, it has been demonstrated that it is now possible to make Nuclear Fusion generate more energy than is required for its equipment to operate, but it is not entirely clear as to …
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Ejectors are flow devices that provide low back-pressure to a duct by passing a gas jet past the duct and taking advantage of the low pressure region this creates (See figure). A common usage of this …
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Greatest hits from previous weeks:
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I tried to deliver a refrigerator and the customer saw that the refrigerator was lying down in the truck instead of standing up. He refused to accept it, claiming that the compressor would be damaged …
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I recently noticed that the cylindrical shape of a railroad tank car is not completely straight but has a bend in the middle. The entire tank is a bit lower there. What’s the reason for this bend? …
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In this question , I dont understand why the KBC is 4EI / L …. I was told that for the far end pinned or roller supported , the K = 3EI / L , so shouldn’t the KBC = 3EI / L In the 3rd photo , we …
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I am reading a document about beam end release here: An end release will allow either or both ends of a beam element to rotate about or translate along one or more of the local axes of the beam….
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When looking at thread descriptions, one of the basic properties is always the number of thread starts. As far as I could tell, all of the major standard bolt threads are single-start. This includes: …
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…or in other words, why doesn’t the material just stick to the screw, rotating in place, without progressing along its length? In the simplest case, the answer is obvious: gravity. If it’s a …
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Is there a way to make an air conditioner for when you can’t vent the heat outdoors? Can you trap the heat in an object or convert it to another form of energy? For example, could you transfer the …
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