Researchers have developed a hydrogel-based strain sensor that measures blood potassium from a single drop of serum in two ...
Just about any 3D printer can be satisfying to watch as it works, but delta-style printers are especially hypnotic. There’s just something about the way that three linear motions add up to all ...
The Wheatstone bridge is a ubiquitous circuit configuration that is useful in detecting small changes in resistance.
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