All credit to Thomas Langewouters for an unusual reed switch ladder circuit for liquid level sensing. You can find it on his website here. He went on to use a more traditional two-terminal design, but ...

LONDON--(BUSINESS WIRE)--According to Technavio Research Report "Global Water Quality Sensor Market by application (groundwater, drinking water, wastewater, aquaculture, coastal, laboratory, and other ...

STORY ALL NEW AT SIX. YOU COULD PASS BY THIS SPOT ON VINCENT DRIVE IN GREENVILLE COUNTY AND NOT THINK ABOUT FLOODING. BUT UNDERNEATH FLOWS LITTLE CREEK, WHICH CAN BECOME A BIG CREEK IN A FLOOD ...