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Scientists Confirm Elusive Transverse Thomson Effect After 100 Years A Historic Thermoelectric Discovery In a recent publication in Nature Physics , scientists detail the inaugural experimental detection of the transverse Thomson effect—a fundamental thermoelectric phenomenon that has remained unobserved since its theoretical proposal over 100 years ago. For more than a hundred years, thermoelectric effects have underpinned physicists understanding of the relationship between heat and electricity, grounded in the Seebeck, Peltier and Thomson effects, all discovered in the 19th century. The Thomson effect refers to the generation of heat or cooling within a conductor when both electric current and a temperature gradient move concurrently in the same direction. Researchers have long postulated the existence of a transverse form of this effect, expected to arise when electric current, thermal gradient and magnetic field are oriented perpendicularly within a conductor. Landmark Experiment...