The acid solution will warm up even if the spring isn’t compressed, due to the heat of reaction as the acid dissolves the metal. If the spring is compressed, it will warm up slightly more. As each ...

When designing helical or compression springs, you’ll confront several challenges and trade-offs, especially when it comes to getting the best possible performance from the wire. You will want to use ...

If you’ve used a desktop 3D printer in the past, you’re almost certainly done battle with “strings”. These are the wispy bits of filament that harden in the air, usually as the printer’s nozzle moves ...