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Algae-powered computer created by British scientists

Algae-powered computer created by British scientists

 



University of Cambridge

Algae harvest energy from the sun through photosynthesis, which produces an electric current.

Scientists have used algae to power computers for a year using only light and water.

Researchers at the University of Cambridge say the system could be a reliable and renewable way to power small devices.

The system is about the same size as a regular AA battery and contains a species of algae called Synechocystis.

So how does it work?

Algae naturally harvest energy from the sun through photosynthesis.

What is photosynthesis?

Photosynthesis is a chemical reaction that takes place inside a plant, helping it produce food, run out of carbon dioxide, and produce very good oxygen for the environment.

It is used to form an electric current through the aluminum electrodes and power the computer.

Because it’s made of common, cheap things like water and algae, scientists say it can be duplicated hundreds or thousands of times.

It can be used to power small devices in the “Internet of Things”. This is when many devices are linked to each other so that they can collect and send data.

What is the Internet of Things?

The Internet of Things is a huge network of electronic devices that collect and share real-time data over the Internet, each using a small amount of power. For example, a home heating system tells the owner’s smartwatch that it is hot enough to switch off. By 2035, such devices are expected to reach 1 trillion units, requiring a huge number of portable energy sources.

Professor Christopher Howe of the Department of Biochemistry, University of Cambridge, said, “The Internet of Growing Things Needs More and More Power, which comes from systems that can generate energy rather than just store it like a battery. I think we need to. “

“Our photosynthesis equipment uses light continuously as an energy source, so it doesn’t drain like a battery,” he added.

In experiments, this device was used to power the Arm Cortex M0 +, a microprocessor widely used in Internet of Things devices.

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Scientists believe that this system can create a renewable way to generate energy for something like a smartwatch.

So far, the device has been powered for a year and is no longer out of service.

Dr. Paolo Bombelli of the University of Cambridge said:

Sources

1/ https://Google.com/

2/ https://www.bbc.co.uk/newsround/61480599

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