What did Ole Rømer invent related to temperature measurement?
Barometer
Hygrometer
Modern thermometer
Compass
Answer
The modern thermometer was invented by Ole Rømer, a Danish astronomer and physicist. Rømer's thermometer, introduced in 1701, was a significant improvement over earlier temperature-measuring devices. It used a sealed glass tube containing alcohol or mercury, which expanded or contracted with changes in temperature. The tube was marked with a scale, allowing for accurate temperature readings. Rømer's thermometer became the standard for temperature measurement and is still widely used today.
Stargazing Through Time: The Ole Rømer Astronomical Challenge
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