Months before hundreds of young scientists confidently presented their research at the Eskom Expo for Young Scientists Johannesburg Regional Science Fair on August 1, many stood at the starting line with nothing more than an idea and a question.

By the time they arrived at the Wits University Flower Hall, those same learners had become experts in their chosen fields. For Johannesburg Regional Science Fair director Jane Wasonga, that transformation is what the Expo is truly about. “Beyond the awards, learners learn how to develop an idea, research it and present it.”
Wasonga explained that when they started at the beginning of the year many had no idea what they wanted to do with their projects, but by the time of their presentations, they are experts.

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The Regional Science Fair brought together 387 learners, who showcased 289 research projects spanning engineering, environmental studies, biomedical sciences, and other disciplines. During the awards ceremony, 85 gold medals, 90 silver medals, and 120 bronze medals were presented, recognising excellence in scientific research and innovation.

While the medals celebrated achievement, Wasonga believes the greatest reward was something less tangible. “Successful young scientists have perseverance, dedication, and a love for what they do.”

Among those that received an award was Grade 6 learner Luthukuthula Nhlapho, from HA Jack Primary School, whose solar-powered traffic light, with a monitoring system, was inspired by frequent power outages. “I noticed that when there’s no electricity, there are a lot of accidents because people run red lights.”

Building the prototype was no simple task. “The most difficult part was finding the materials and putting it together.” After sourcing LED lights, a solar panel, wiring, batteries, and timber, although nervous, Luthukuthula found his confidence and presented his invention to the judges.

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Wasonga hopes every participant leaves with one lesson above all others. “Perseverance. When learners finish what they started, despite all the other demands on their time, they show resilience. That is something they will carry with them long after the expo.”

As the exhibition hall filled with innovative ideas and determined young researchers, one thing became clear: Behind every medal-winning project was a story of curiosity, resilience, and perseverance – qualities that may one day help solve some of South Africa’s biggest challenges.

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