Infact
70 / 100
Mostly True

Living in a basement causes you to age a few nanoseconds longer than living in a second-story apartment due to stronger gravity slowing time more.

Infact verdict: Mostly True (70/100).

The claims regarding gravitational time dilation are supported by scientific evidence. Stronger gravity closer to Earth's surface does indeed slow time, as confirmed by experiments and explained by Einstein's theory of relativity. This effect is minuscule but measurable with precise instruments. Therefore, living at a lower altitude, such as in a basement, would technically result in aging slightly slower than at a higher altitude, like a second-story apartment. However, the difference is so small that it is imperceptible in daily life.

July 14, 2026 Language: en 3 claims analyzed
How is this score determined? →

Individual claims

62
Mostly True Science
Living in a basement causes you to age a few nanoseconds longer than living in a second-story apartment.
The claim is based on the principle of gravitational time dilation, where stronger gravity closer to Earth's surface slows time. This effect is confirmed by scientific experiments, but the difference is extremely small and not noticeable in everyday life. The evidence supports the claim's scientific basis, but the practical impact is negligible.
Fact Check Score None
Fact Check Weight 0
Web Consensus Score 70
Web Consensus Weight 40
Source Quality Score 60
Source Quality Weight 20
Llm Reasoning Score 60
Llm Reasoning Weight 40
Llm Reasoning Score Raw 60
Weighted Total 62
Evidence Summary 2 web sources confirm gravitational time dilation.
92
True Science
Stronger gravity closer to Earth slows time more.
This claim is well-supported by Einstein's theory of relativity and confirmed by numerous experiments. Stronger gravity near Earth's surface does indeed slow time, a phenomenon known as gravitational time dilation. This is a well-established scientific fact.
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 85
Llm Reasoning Weight 40
Llm Reasoning Score Raw 85
Weighted Total 92
Evidence Summary 2 web sources confirm gravitational time dilation.
55
Mixed Science
Time passes slightly faster upstairs near a building's top.
The claim is supported by the concept of gravitational time dilation, where time passes slightly faster at higher altitudes due to weaker gravity. This effect is confirmed by scientific experiments but is extremely small and not noticeable in daily life. The evidence supports the claim's scientific basis, but the practical impact is negligible.
Fact Check Score None
Fact Check Weight 0
Web Consensus Score 60
Web Consensus Weight 40
Source Quality Score 50
Source Quality Weight 20
Llm Reasoning Score 55
Llm Reasoning Weight 40
Llm Reasoning Score Raw 55
Weighted Total 55
Evidence Summary 2 web sources confirm gravitational time dilation.

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