A Teenager Built Archimedes’ Mythical Death Ray—and It May Actually Work

A 12-year-old Canadian student, Brenden Sener of London, Ontario, tested the feasibility of Archimedes' mythical 'Death Ray' in a science project. Using four concave mirrors and a heat lamp, Sener showed that reflected sunlight could significantly increase temperatures at a target point, supporting the idea that concentrated solar energy could ignite distant objects. The experiment, presented at the 2023 Matthews Hall Annual Science Fair, aligns with historical accounts describing how Archimedes allegedly used mirrors or polished shields to set Roman ships ablaze during the siege of Syracuse (214–212 BC). Sener’s findings, published in the *Canadian Science Fair Journal* in 2024, conclude that while the principle is plausible, no archaeological evidence confirms the weapon’s existence beyond ancient philosophical texts. Sener’s work builds on prior attempts, including *MythBusters*’ failed recreations and a 2005 MIT experiment that succeeded in burning a boat only once. Experts like Cliff Ho, a senior scientist at Sandia National Laboratories, acknowledge the concept’s theoretical possibility but consider large-scale deployment unlikely. The project earned Sener multiple awards, including recognition from Youth Science Canada for Team Canada 2025. His fascination with Archimedes began during a family trip to Greece, where he first explored the mathematician’s inventions, including the Archimedes screw. Though Sener’s experiment demonstrates the heat-concentration principle, critics note practical challenges like cloud cover and ship movement would have hindered ancient applications. His research remains a compelling blend of history, physics, and youthful innovation.