Engineers from Columbia University have just revealed to us the world’s smallest FM transmitter, which they managed to build around a nanoscale graphene oscillator. Details of their device, and other fantastic graphene creations, have just appeared in the current online issue of Nature Nanotechnology.
Researchers at Columbia University have conducted the first exhaustive study into kinetic energy harvesting — the harvesting of “free” energy from common human activities, such as walking, writing with a pencil, taking a book off a shelf, or opening a door. Surprisingly, except for those living the most sedentary lifestyles, we all move around enough that a kinetic energy harvester — such as a modified Fitbit or Nike FuelBand — could sustain a wireless network link with other devices, such as a laptop or smartphone.
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