A portable device being developed by physicists at the Massachusetts Institute of Technology (MIT), currently known as a “terahertz rectifier,” converts ambient waves into a direct current capable of charging our personal electronic devices, from a cell phone or tablet to a wireless medical implant.
The energy is produced from high frequency terahertz waves, or “T-waves,” which are produced almost non-stop in our everyday lives. Until now, no technology has been able to capture and convert these waves in a practical way, let alone in the form of a portable device. Hiroki Isobe, the researcher and lead author of the article, explains that we are constantly surrounded by electromagnetic waves in the terahertz range. "If we can convert that energy into an energy source we can use for daily life, that would help to address the energy challenges we are facing right now."
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