Tech-on! tech news straight from Asia
"A research group at Graduate School of Information Science and Technology of Tokyo University developed a micro air flow sensor unit that can be attached on a wing of insects such as dragonfly to analyze the motions of the wing...
"The micro air flow sensor unit developed by the group is about 3mm-square with a thickness of about 1mm. Because two sensors are mounted on the 3mm-square chip, each sensor measures about 1.5 x 3mm..."The sensor has a structure in which a cantilever piezoresistor, measuring about 0.5mm in length and less than 1μm in thickness, is formed on an SOI substrate with an electrode. The piezoresistor is a Si-based semiconductor."
Hmmm. How about cameras and transmitters on butterflies? Maybe a little airborne relay station to pass on the broadcasts---and also fire off some pherenome "bombs"in the right direction to keep the butterflies on track. Not promising, really.
But perhaps parts of insects could be incorporated into little UAVs.Hmmmm. Complicated. Keeping part of an insect alive. More likely, its the whole insect, but the brain is brought under control by an implant. Gruesome and sci-fi, but workable.
"When the cantilever is bent by the wind, the resultant strain varies the electric resistance to indicate the degree of bending, hence the wind force. The cantilever only weighs 0.1μg."
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