John Lajoie is a builder--not of buildings or everyday machines, but of detectors with a special purpose. A physicist at the Department of Energy's Oak Ridge National Laboratory, Lajoie has shaped his career around finding hard-to-solve problems and coming up with new ways to tackle them. Physicist Builds Tools to See Quantum Matter More Clearly
August 31, 2026
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John Lajoie is a builder--not of buildings or everyday machines, but of detectors with a special purpose. A physicist at the Department of Energy's Oak Ridge National Laboratory, Lajoie has shaped his career around finding hard-to-solve problems and coming up with new ways to tackle them. 
