Top new questions this week:
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Remember those pull down ceiling lamps from the 80s? A lamp hanging on a steel cable and you could adjust the height by just pulling or pushing the lamp and it would stay there. There was probably a …
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I am wondering how to calculate the enthalpy of water vapour at room temperature with a reference state of 25 C 1 atm. I understand that normally for water vapour above boiling point, one would …
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Could you clarify my suspicions. My spindle (HY HUANYANG, model: GDZ-80-2.2A) has come with a collet nut which has bizarre asymmetrical form of the supporting ring inside it (the ring for collet …
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I am trying to send a barcode text to 2 different PCs via USB. The txt editor is opened on both of the computer, but only 1 PC can read the data at one time with a USB hub. Is there a device that can …
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Sealed bearings are a common component on modern bicycles. Even if you take off the plastic covers of sealed bearings, the ball bearings inside will not fall out. How is such a part assembled in the …
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Frequency inverters produce high frequency spikes on the side of the power input. This is relevant when designing an emergency power supply for a site with lots of VFD, apparantly it is advised to …
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Greatest hits from previous weeks:
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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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As I know so far, mortar and grout are mixtures of cement paste and fine aggregates, but both of them play different roles in the construction site. Is it true that grout has more strength compared to …
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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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Recently I was thinking about home improvement, and one idea that is haunting me is that I could use some kind of refrigerator for gaming consoles and laptops. The obvious benefit is that it maintains …
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A wifi user is in a different room than the router. The computer is having a hard time connecting and receiving the wifi signal. Can the wifi signal from the router to the computer be improved by …
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I have a 2 mm thick steel plate which is 300 mm long and 30 mm wide, supported at either end. It supports a weight-bearing wheel that can roll along the plate. It currently supports the maximum weight …
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The debate of traffic circles (also called roundabouts or rotaries) versus traffic light intersections has been in progress for a while. Those in favor of traffic circles say that, among other things, …
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