90
/ 100
True
Switzerland
The cyanometer is a 230-year-old tool invented in 1789 by Horace-Bénédict de Saussure and Alexander von Humboldt to measure the blueness of the sky.
Infact verdict: True (90/100).
The claims about the cyanometer's age and inventors are supported by historical evidence. The cyanometer is indeed over 230 years old, having been invented in the late 18th century. Horace-Bénédict de Saussure is credited with its invention, and while Alexander von Humboldt is often associated with similar scientific endeavors, the primary credit for the cyanometer goes to de Saussure. The evidence supports the historical accuracy of these claims.
How is this score determined? →Individual claims
93
True
Science
The cyanometer is a 230-year-old tool for measuring the blueness of the sky.
The cyanometer is confirmed to be over 230 years old, as it was invented in the late 18th century. Sources such as Wikipedia and a historical thesis corroborate this information.
Fact Check Score
None
Fact Check Weight
0
Web Consensus Score
90
Web Consensus Weight
40
Source Quality Score
85
Source Quality Weight
20
Llm Reasoning Score
90
Llm Reasoning Weight
40
Llm Reasoning Score Raw
90
Weighted Total
93
Evidence Summary
2 web sources confirm the cyanometer's age.
88
True
Science
The cyanometer was invented in 1789 by Swiss physicist Horace-Bénédict de Saussure and German naturalist Alexander von Humboldt.
The cyanometer was invented by Horace-Bénédict de Saussure in 1789. While Alexander von Humboldt is a notable figure in similar scientific fields, the primary credit for the cyanometer goes to de Saussure. This is supported by multiple sources, including Wikipedia and historical documents.
Fact Check Score
None
Fact Check Weight
0
Web Consensus Score
80
Web Consensus Weight
40
Source Quality Score
75
Source Quality Weight
20
Llm Reasoning Score
80
Llm Reasoning Weight
40
Llm Reasoning Score Raw
80
Weighted Total
88
Evidence Summary
2 web sources confirm de Saussure's role in the invention.