This phrase seemingly refers to a crossword puzzle clue the place the reply is the title of a scientist or particular person related to a major discovery involving radiation. The “click on” implies a second of realization or understanding, suggesting the clue is designed to evoke the “aha!” second of a scientific breakthrough. For example, a clue like “He made radiation click on” with the reply “ROENTGEN” would level to Wilhelm Conrad Rntgen, the discoverer of X-rays.
Such clues serve a number of functions inside a crossword puzzle. They provide an enticing technique to check information of scientific historical past and outstanding figures. They will additionally add a layer of mental depth to the puzzle, transferring past easy vocabulary recall to require a deeper understanding of ideas and their origins. Connecting scientific discoveries with a relatable time period like “click on” makes the subject material extra accessible and probably sparks curiosity in solvers to study extra. Using wordplay and affiliation in crossword clues contributes to their leisure worth and psychological stimulation.