Multiple choice general knowledge science & technology

Kidney Machine was invented by

  1. Kolf

  2. Ramsay

  3. Caxton

  4. Gillette
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

Willem Kolff invented the first dialysis machine (kidney machine) in 1943 during World War II. Ramsay discovered noble gases, Caxton brought printing to England, and Gillette invented the safety razor - none worked on kidney machines.

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