A young Maasai herder turned a nighttime observation into a practical way to reduce conflict between people and lions.
Richard Turere was eleven when he developed the light system that became known as Lion Lights, according to the European Patent Office. Growing up near Nairobi National Park in Kenya, he needed a way to protect his family’s cattle from predators.
His solution used flashing lights to suggest that a person was moving around the livestock enclosure. In July 2023, the European Patent Office awarded him first place in its Young Inventors Prize.
Learning from what did not work
In TED’s account of his 2013 presentation, Turere described trying fire and a scarecrow before settling on lights.
A stationary scarecrow lost its effect. Moving light suggested a different possibility: the appearance of a person guarding the cattle.
He assembled a circuit using lights, an old car battery, and a vehicle indicator component. The lights flashed while he slept.
TED reported his account that his family had experienced no further lion problems after installation and that neighbors wanted systems of their own. That was a report of local experience, rather than a guarantee that lights prevent every predator attack.
Why the idea mattered beyond one cowshed
Livestock losses can threaten a family’s livelihood. Retaliatory killing can also threaten predators.
Lion Lights addresses both sides of that conflict by discouraging an approach to an enclosure. The aim is to keep animals apart without injuring the predator.
By July 2023, the EPO reported use at more than 2,000 Kenyan homes and adoption in other countries. Those figures describe the award announcement’s reporting period, rather than a newly measured total.
A practical idea with room to grow
The EPO describes later systems using changing light sequences and generally running on solar power.
Turere’s achievement began with repeated observation of a specific problem. It grew because other households recognized the same need.
His story also shows why the outcome matters more than the novelty of the parts: familiar electrical components became useful when arranged around the realities of guarding cattle at night.
Related: Esther Kimani’s crop-monitoring camera and Fionn Ferreira’s microplastics research.