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the claim

A Faraday cage blocks all electromagnetic radiation.

the verdict
REFUTED
the evidence says no
Recorded sources
1 source for · 5 against

Counts group repeated records of the same source within each side. They do not measure evidence strength or source independence.

Is it true that a Faraday cage blocks all electromagnetic radiation?

No. Reference and peer-reviewed sources indicate a Faraday cage only reduces or redirects fields, with effectiveness depending on material, thickness and frequency, and it is ineffective against low-frequency magnetic fields; one source notes a cage that passes UV and visible light. A science-fiction novel repeats the claim but is not evidence.

Verdict: REFUTED · 1 source for, 5 against · Last checked

The private library was unavailable for some searches in this check. Missing library results are not evidence against the claim.

Evidence for · 1
More Perfect
2023
Get citation
Oh, T. (2023). More Perfect. play.google.com. https://play.google.com/store/books/details?id=GR-UEAAAQBAJ&source=gbs_api

Evidence against · 5
Electromagnetic shielding
Get citation
Electromagnetic shielding. (n.d.). en.wikipedia.org. https://en.wikipedia.org/wiki/Electromagnetic_shielding

See more details
More against · 4
Trapped Radiation inside a Faraday Cage
2021
Get citation
Trapped Radiation inside a Faraday Cage. (2021). physics.stackexchange.com. https://physics.stackexchange.com/questions/605343/trapped-radiation-inside-a-faraday-cage

Reconfigurable antennas radiations using plasma Faraday cage
2015
Get citation
Reconfigurable antennas radiations using plasma Faraday cage. (2015). hal.science. https://doi.org/10.1109/ICEAA.2015.7297175

Electromagnetic shielding by thin periodic structures and the Faraday cage effect
2020
Get citation
Delourme, B. & Hewett, D. P. (2020). Electromagnetic shielding by thin periodic structures and the Faraday cage effect. doi.org. https://doi.org/10.5802/crmath.59

The electronics in fluorescent bulbs and light emitting diodes (LED), rather than ultraviolet radiation, cause increased malignant melanoma incidence in indoor office workers and tanning bed users.
2018
Get citation
Milham, S. & Stetzer, D. (2018). The electronics in fluorescent bulbs and light emitting diodes (LED), rather than ultraviolet radiation, cause increased malignant melanoma incidence in indoor office workers and tanning bed users.. doi.org. https://doi.org/10.1016/j.mehy.2018.04.013

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