Live Poll Results — Which scientist is credited with inventing the first practical vacuum flask (Dew
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Which scientist is credited with inventing the first practical vacuum flask (Dewar flask) that revolutionized the storage and transportation of cryogenic liquids in scientific research?
Poll Type: Trivia | Total Votes: 0
| Option | Votes | Percentage |
|---|---|---|
| {'choice_text': 'Sir James Dewar (1892)', 'is_correct': True} | 0 | 0% |
| {'choice_text': 'Marie Curie (1903)', 'is_correct': False} | 0 | 0% |
| {'choice_text': 'Thomas Edison (1889)', 'is_correct': False} | 0 | 0% |
| {'choice_text': 'Carl von Linde (1895)', 'is_correct': False} | 0 | 0% |