"Certein bodies... become luminous when heated. Their luminosity disappears after some time, but the capacity of becoming luminous afresh through heat ...
When radium was discovered, no one knew that it would prove useful in hospitals. The work was one of pure science. And this is a proof that scientific work must not be considered from the point of view of the direct usefulness ...
Photo by Ákos Szabó
Photo by Ian Turnell
When radium was discovered, no one knew that it would prove useful in hospitals. The work was one of...
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