Boston: For a considerable amount of time, scientists have attempted to generate electricity by touching screens, but there are still some challenges. Experts from the University of Massachusetts Amherst have now produced sufficient human touch electricity to power small wearable devices.
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| Image by Semevent from Pixabay |
This transforms the human body into an antenna that makes use of the energy that is wasted during visible (visible) light communication (VLC). VLC, which functions similarly to fiber optics but uses light beams rather than wires to transmit and receive data, is sometimes referred to as the wireless of light.
Professor of information and computer science Jai Xiong says that this is a very interesting and easy method. It uses the process of blinking an LED that turns on and off a million times per second rather than wirelessly sending a radio signal.
The best part is that VLC software is on every street light, car, home, and car. Additionally, bright LED bulbs can transmit data. Mass-produced goods could become electrified as a result of this. Smartphones, tablets, and laptops are examples of these.
According to the team, LEDs also produce a "side-channel RF signal," which can be compared to radio waves. Now, electricity can be created using the same RF energy.
Under this, a coil was made by scientists, and it was tested on steel, cardboard, and plastic. Following that, various phones, laptops, and walls were put through their paces. The concept of human touch was then proposed by another research student.
Surprisingly, the human body outperformed the coil in terms of RF energy collection, with ten times more. The scientists then created a bracelet with a copper coil attached. The wearable also began to function once it was strapped to the upper arm. Electricity started to flow.
The design generates one microwatt of electricity for just 50 cents US. This power can power small sensors. Experts will create additional VLC devices following success.
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