[Mark Aren] purchased a pair of Turbomolecular pumps (TMP) sans controllers, and then built an FPGA based BLDC controller for the Turbomolecular pumps. A TMP is similar to a jet turbine, consisting of ...
Chris Doble] has high ambitions: he’s making his own scanning-electron microscope, and as the first step he’s built a ...
Heat pumps and other building thermal systems can cut energy use in buildings, but real-world efficiency often falls short due to part-load operation, ...
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