Body-heat-powered flashlights seem to be straight out of science fiction stories. However, this is exactly what made Ann Makosinski's invention so intriguing. Being a teenager, the young Canadian ...

PITTSBURGH, May 15, 2026 /PRNewswire/ -- "I wanted to create an improved flashlight for inspecting weld beads," said an inventor, from Yellow Head County, AB, Canada, "so I invented the WELDING ...