Accelerometers

Looking at big, mature trees, you may not think that their trunks sway much in the wind. They do to a certain extent, however … enough so that electronic measurement of the swaying motion can be used to monitor their growth cycles.

When toxins are present in a waterway, freshwater mussels are one of the first creatures to react. A new mussel-mounted sensor has been designed with this in mind, as a means of catching water pollution early.

U.S researchers are developing a tiny middle ear "microphone" that could remove the need for any external components on cochlear implants.

An iPhone app has been developed to challenge people with a competitive nature to get healthier by getting out of their chairs more.