Students look at their projectile launcher in action during the 48th annual Physics Olympics at the University of British Columbia in Vancouver, British Columbia, Canada, on Feb. 28, 2026. More than 1,000 high school students from across the Canadian province of British Columbia participated in the 48th annual Physics Olympics held here on Saturday. (Photo by Liang Sen/Xinhua)

A judge (R) examines a projectile launcher during the 48th annual Physics Olympics at the University of British Columbia in Vancouver, British Columbia, Canada, on Feb. 28, 2026. More than 1,000 high school students from across the Canadian province of British Columbia participated in the 48th annual Physics Olympics held here on Saturday. (Photo by Liang Sen/Xinhua)

A student looks at a robotic pole climber in action during the 48th annual Physics Olympics at the University of British Columbia in Vancouver, British Columbia, Canada, on Feb. 28, 2026. More than 1,000 high school students from across the Canadian province of British Columbia participated in the 48th annual Physics Olympics held here on Saturday. (Photo by Liang Sen/Xinhua)

A student fine-tunes a robotic pole climber during the 48th annual Physics Olympics at the University of British Columbia in Vancouver, British Columbia, Canada, on Feb. 28, 2026. More than 1,000 high school students from across the Canadian province of British Columbia participated in the 48th annual Physics Olympics held here on Saturday. (Photo by Liang Sen/Xinhua)

Students look at a robotic pole climber in action during the 48th annual Physics Olympics at the University of British Columbia in Vancouver, British Columbia, Canada, on Feb. 28, 2026. More than 1,000 high school students from across the Canadian province of British Columbia participated in the 48th annual Physics Olympics held here on Saturday. (Photo by Liang Sen/Xinhua)