Here we describe an electronic system that uses a dedicated water-level sensor to switch off the pump motor as soon as the ...
LAS VEGAS – Federal water officials addressed the increasingly grim river conditions and laid out their options for dealing with plummeting reservoir levels over the first two days of the largest ...
Do you like buses, or do you just like the flippy-flappy displays they use to show route information? Either way, you’ll probably love the flip-disc clock created by [David Plass]. The build is based ...
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