Top new questions this week:
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I was just reading an article about how air compressors can be used as an energy source. As the air is compressed, its temperature increase significantly, and this energy stored as heat can be used to …
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Preliminary: Consider a stable, strictly causal discrete-time LTI system with state-space model $\left[\begin{array}{c|c} A & B\\ \hline C & \pmb{0} \end{array}\right]$. …
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$s=R\tilde{s}$ is fine, but why $\theta=R\tilde{\theta}$? Namely: why vectors of linearised rotations $\theta_i$ and $\theta_j$ (at nodes $I$ and $j$ respectively) are rotated like they were vector …
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not sure if this counts for this community, and im open to suggestions where this would belong but im looking for advice. i have no experience in working with physical hardware, as the limited …
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So, I was searching on google/youtube about minimally invasive procedures and its tools to reach deep and delicate spaces of the human body, and it came to my mind the possibility of using it for CNC …
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Greatest hits from previous weeks:
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I am trying to figure out the minimum gate width required for parking a car inside the house which has a 15 feet road in front of it. Please refer to the image below: Plot is 20 feet wide. I have …
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Modern LED bulbs must convert the standard household supply (for example $240\text{V AC}$ in the UK) into a DC supply at a lower voltage (usually $12\text{V DC}$ I think) for the LED array. This is …
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Despite having so much technological advancement, I wonder why cars still uses mirrors (right and left side of the driver) for the rear view. These mirrors can be easily replaced by cameras and …
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The image below shows a style of fence that I’ve seen frequently around train tracks. If you look closely, you will see that between the third and fifth horizontal wire from the top, the vertical …
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Some building are really tall, if you flush the toilet and the contents go into a pipe and straight down, there could be a lot of energy, potentially enough to cause harm to the sewer pipe at the end …
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I was wondering how I can calculate the velocity of gas through a pipe. The gas, assuming ideal behavior, in a pipe (cylinder) of volume of 222.4 L has a pressure of 1.95 atmospheres and a density of …
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I’m trying to calculate the clamping force resulting from torquing a nut and bolt to a particular level. I have found this formula in various forms in a lot of places. $$T = KDP$$ $T$ = Torque (in-…
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