This technology is called “plant nanobionics”.
Something you might’ve not expected to hear: scientists have successfully taught spinach – yes, spinach, as in the plant – to send emails.
More accurately, engineers at the renown Massachusetts Institute of Technology (MIT) have used nanotechnology to transform ordinary spinach plants into sensors that detect explosive materials in the ground, and then send warning emails out as they detect them. (…)
@ Mashable SEA Asia
https://sea.mashable.com/science/14617/scientists-have-engineered-spinach-plants-that-know-how-to-send-emails