britannica.com
britannica.com
en.wikipedia.org
en.wikipedia.org
scientificamerican.com
vicphysics.org
weforum.org
aether.lbl.gov
Smoot Group Cosmology
https://aether.lbl.gov › www › classes › p139 › exp › gedanken.html
fs.blog
Farnam Street
https://fs.blog › thought-experiment
devx.com
sf-encyclopedia.com
SF Encyclopedia
https://sf-encyclopedia.com › entry › thought_experiment
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