Often, the only liquid level indicator you need is your eyes, such as when looking at your cold beverage on a summer’s day. Other times, though, it’s useful to have some kind of indicator light that ...

Often, the only liquid level indicator you need is your eyes, such as when looking at your cold beverage on a summer’s day. Other times, though, it’s useful to have some kind of indicator light that ...

Turbidity is considered a good measure of the quality of water as it is a measurement of how clear or cloudy the water is (the cloudier the water, the higher its turbidity). In theory, waterborne ...