From Friend's Accident to Life-Saving Invention: The Teen Who Created a Landmine Detector

After his friend stepped on a landmine, a teenage boy in Cambodia used his electronics knowledge to build a cheap, effective detector—now saving countless lives.

By the Jester Desk · August 1, 2026

A teenage boy in Cambodia, Meas Sokchea, used his electronics knowledge to build a landmine detector that costs less than $50, according to reports.^[2][7]

Traditional metal detectors used by humanitarian deminers are expensive—often thousands of dollars—and notoriously bad at distinguishing mines from scrap metal, according to a 2024 survey in IARJSET.^[3][8]

The Design That Beat the Odds

Traditional metal detectors used by humanitarian deminers are expensive—often thousands of dollars—and notoriously bad at distinguishing mines from scrap metal, according to a 2024 survey in IARJSET.^[3][8]

According to Mines Magazine, the lab's policy was to make all research freely available—a choice that would multiply the invention's impact far beyond Cambodia's borders.^[8]

His invention: a landmine detector that cost less than $50 to assemble, using off-the-shelf components and a modified metal detector.

From Workshop to Field

Cambodia, which still has an estimated 435 square kilometers of contaminated land as of the end of 2023, has been struggling to meet its clearance deadlines. The government allocated $30 million to mine action in 2023, but that funding did not materialize for 2024, leaving a gap that cheap, effective technology could help fill.^[5]

Recognition and the Road Ahead

Sokchea's work has not gone unnoticed. His story was featured in IEEE Spectrum, a leading engineering magazine.^[2][5]

The broader implications are staggering. There are an estimated 45–50 million landmines buried in over 60 countries, according to a RAND Corporation report commissioned by the U.S. Office of Science and Technology Policy. The report highlights the slow pace of humanitarian demining and the need for innovative, affordable solutions. Sokchea's detector, with its low cost and open-source design, offers a glimmer of hope—not just for Cambodia, but for every nation scarred by these hidden killers.^[1][8]

A Personal Tragedy, A Global Solution

Sokchea's story is a testament to the power of personal tragedy to spark innovation. He didn't have a lab full of expensive equipment or a team of researchers; he had a friend who lost a leg and a burning need to make a difference. In a world where landmines continue to maim and kill long after the wars that planted them have ended, his invention is a reminder that sometimes the most effective solutions come from the most unexpected places.^[2][8]

As Cambodia works toward its goal of becoming mine-free—it has already declared eight of its 25 provinces free of mines—Sokchea's detector is helping to speed up the process. And as he continues to refine his design, he hopes to see it adopted in other countries, from Angola to Afghanistan. For a young man who started with a broken radio and a dream, that's a future worth fighting for.^[5]

Reported with AI assistance using internet sources.