Curiosity about an object mounted on his wall at work has led a medical physicist to uncover evidence challenging New Zealand's x-ray history.

Curiosity about an object mounted on his wall at work has led a medical physicist to uncover evidence challenging New Zealand's x-ray history.

Curiosity about an object mounted on his wall at work has led a medical physicist to uncover&nbsp;evidence challenging New Zealand's x-ray history.

Chch physicist's examination turns NZ X-ray history on its head

Smart, in-depth and relentlessly curious, host Kathryn Ryan dives into the stories shaping New Zealand and its people. Interviews and expert analysis from around the world and at home. It’s where big ideas are unpacked and everyday life explored.

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Chch physicist's examination turns NZ X-ray history on its head

Chch physicist's examination turns NZ X-ray history on its head