It also has a GSM/3G modem, allowing it to report the measured water quality to a central database. All of this is housed in a 3D-printed enclosure that makes the whole setup easy to carry and ...

But by the age of nine, a noticeable gap begins to emerge — girls’ confidence and enthusiasm for STEM subjects often start to ...

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 ...