The half-algae half-robot device is cost-effective and biodegradable. 🧐 engineering
Marimo, commonly known as algae balls or moss balls, is a sphere-shaped and endangered species that is endemically found around Japan and Northern Europe. They are usually situated in freshwater bottoms such as lakes and rivers and generate oxygen into the surface of the water just like other hydrophytic plants.
A research team from the University of the West of England, Bristol’s Unconventional Computing Lab has demonstrated that these green puff balls can be used to monitor some parameters such as water temperature and oxygen level. Accordingly,to carry out the operation and called it"marimo-activated rover system," or MARS in short.
The device is a baseball-sized and 3D-printed exoskeleton that traps the algae ball. In the simplest terms, it can be depicted as an outfit encircling the marimo as well. Neil Philips, the senior research fellow of UWE, states that the research team tested the device by fitting a marimo ball into it. During the process, the oxygen bubbles produced by marimo hit the cage and torque the sphere like a hamster ball.
Speaking of the device's mobility, there is data about the speed of MARS, too. Even though the pace of MARS depends on the level of sunlight, it can be stated that it's not a fast-moving device. As a result of the experiments, it was revealed that MARS was moving at a speed of about 3.5 inches per hour, which makes it about the same speed as a snail.
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