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Jocker
 
93%
10/21/2013
A tiny, microfluidic water sensor will not only be much more sensitive than current options, it will also be mass-produced for just five dollars each. The chip will be inserted into the soil or stem of a plant. It will contain a tiny cavity filled with water, and it will exchange that moisture with the moisture in its environment through a nanoporous membrane. As the moisture flows from one side to the other, the chip will measure any changes in pressure that will result from water...