Trivia question of the day — Mar 18, 2026
Wednesday, March 18, 2026. Tap Show answer for the answer, explanation and source.
QUESTION OF THE DAYWED 18 MAR
DIFFICULTY 58 · HARDINVENTIONS
Which physicist and engineer is often credited with co-inventing radar in 1930s Britain?
- Robert Watson-Watt
- Frank Whittle
- Heinrich Hertz
- Nikola Tesla
Show answer
A. Robert Watson-Watt
Robert Watson-Watt was asked whether radio waves could make a 'death ray' against aircraft; his team showed that was impossible but that radio could detect planes.
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