This robot composts itself after use — and that could change everything 🤖

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This smart device was built to tackle a very concrete challenge: what happens to the technology we build once it’s no longer useful? What makes this robot stand apart is a rare capability — it can break down into compost after completing its mission, without releasing any pollutants.

Next-generation soft robots 🦾

Made entirely from natural materials, this robot is the result of research conducted at Seoul National University and Sogang University in South Korea. Once its job is done, it decomposes without harming the environment. Its core purpose: to reduce the toxicity caused by technological waste around the world — a goal that fits squarely within the global push toward sustainable development targets set for 2030.

The truth is, human activity remains one of the leading drivers of technological pollution. The average person generates around 8 kilograms of electronic waste per year. According to 2022 figures, the world produced roughly 62 million metric tons of e-waste in a single year. In Africa, the challenge of managing plastic waste is particularly pressing.

« Almost every seller wraps their products in non-biodegradable plastic packaging. Only a few supermarkets and bakeries actually use biodegradable alternatives, » says Vianney, a student at the University of Yaoundé I.

When the machine returns to the earth 🌿

To build this robot, scientists used a flexible, naturally derived material capable of breaking down directly in the soil. Its body is structured around a kind of biodegradable rubber. Its electronic components, meanwhile, are built from magnesium, molybdenum, and silicon — elements that occur naturally in the environment and pose no threat to it.

The robot can be fitted with sensors to monitor temperature or humidity, small heating systems, and even devices capable of releasing medication. All of this without any loss of performance, even after one million uses.

« It’s still in the experimental phase. But once it becomes widespread, I’d love to get my hands on one. A lot of people don’t believe in things like this yet — but that’s exactly what they said about certain phone brands back in the day. And today, here they are in Cameroon, » says Abomo, an agricultural engineer based in Yaoundé.

Once its work is done, the robot simply needs to be placed in a composting environment. Within a few months, it breaks down completely — leaving no toxic residue in the soil whatsoever.

Put simply: a machine built by human hands that, after fulfilling its purpose, quietly returns to the earth.

What if all our electronic devices could disappear naturally after use? Do you think this kind of technology is already within reach in Africa?