A low-cost (~$100), do-it-yourself (DIY) ultrasonic water level sensor/datalogger has been designed, constructed, and tested for use in education, citizen/community science, and research settings. The ...

Here at Hackaday, we feature all kinds of projects, and we love them all the same. But some projects are a little easier to love than others, especially those that get the job done in as simple a way ...

NASA's laser satellite, ICESat, has been used to make corrections to water level gauges that are critical in monitoring water flow in the Amazon, the world's largest river. The new study, conducted by ...

Installed worldwide since, 1962, the Simpliport boiler water level glass gages provide reliable direct-reading, bi-color indication up to 3,000 psi (206 bar). Where you may be standing within 180 ...

Previously, gauges used to measure changes in water level in the Amazon were not on the same reference level. This meant water levels could not be directly compared, limiting the use of the gauges in ...