Hourwiz · video notes
How Does a Refrigerator Work? Ice, Milk, Moving Heat
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Sources
Every fact on this page comes from these pages, opened on October 2026. Things change: check the live page before you rely on it.
- hrmm.org/history-blog/the-ice-business-of-the-united-sta
- americanheritage.com/cold-mine
- guinnessworldrecords.com/world-records/383263-first-international-ice-tr
- gutenberg.org/files/205/205-h/205-h.htm
- patents.google.com/patent/US424744A/en
- lchshistory.org/things-that-matter-2020-1/2020/5/28/staying-coo
- asme.org/About-ASME/Engineering-History/Landmarks/274-Pe
- dhm.de/archiv/ausstellungen/gruenderzeit/biografien/li
- smithsonianmag.com/smart-news/one-man-two-deadly-substances-20th-c
- ukri.org/our-work/responding-to-climate-change/topical-s
- epa.gov/ozone-layer-protection/international-actions-pr
- wmo.int/node/20737
- csl.noaa.gov/assessments/ozone/2026
- ge.com/news/press-releases/ge-opening-door-future-clea
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