The experiment is for switching an acoustic sounder as a rain alarm after a predetermine time. It may, however, be tinkered for a number of other applications. Needless to say, this is a simple ...
The points A and B of the circuit are connected to the points A and B of the rain sensor respectively. When rain is falling, the rain water will fall on the rain sensor which has aluminum wires on ...
On a crisp, cloudless day earlier this year Ricardo Toledo-Crow went for a stroll in Van Cortlandt Park in the Bronx looking for one of the city’s newly discovered weak points: where water goes and ...
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