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Using every drop: Physics answers a crucial kitchen question

Deutsche Welle · 🇩🇪 public Germany · · 794 words · By Jeannette Cwienk
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What to know about Using every drop: Physics answers a crucial kitchen question

Using every drop: Physics answers a crucial kitchen question March 21, 2026It makes sense to squeeze every last drop of milk into our coffee and drizzle the remains of our expensive olive oil over our salad — so we stand in our kitchens, holding bottles or…

Claims checked 12
Techniques found 0
Topics 0

Coverage spectrum

Coverage gap: Low Left coverage
Left0%
Center80%
Right20%

5 sources compared across this story cluster. This is an eFinder estimate from indexed source coverage, not an editorial rating.

What happened

Using every drop: Physics answers a crucial kitchen question March 21, 2026It makes sense to squeeze every last drop of milk into our coffee and drizzle the remains of our expensive olive oil over our salad — so we stand in our kitchens, holding bottles or…

Why it matters

That's what two physicists at Brown University in Providence, in the US state of Rhode Island, wanted to find out.

Common ground

Their findings were published in the journal Physics of Fluids.

Perspective signals

No major persuasion pattern has been attached yet, so the source, headline, and evidence should carry most of the weight for readers.

open_in_new Read the original article: https://www.dw.com/en/last-drop-physics-milk-maple-syrup-olive-oil-fluid-mechani…

fact_checkClaims Checked

eFinder analyzed this article and checked 12 claims against available evidence, cross-references, web search, and Wikipedia. Here is what the fact-checking layer found.

help Insufficient Evidence 4
info Single Source 3
verified Verified By Reference 2
schedule Pending 2
check_circle Corroborated 1
verified
Claim 1: “Low-viscosity liquids such as milk took about 30 seconds for 90% of the thin liquid film to drain.”
VERIFIED BY REFERENCE
This claim was extracted as a checkable statement from the article. eFinder labels it verified by reference based on the available evidence and source context shown below.
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wikipedia NEUTRAL — Milk is a 2008 American biographical drama film based on the life of gay rights activist and politician Harvey Milk, who was the first openly gay man to be elected to public office in California, as a…
https://en.wikipedia.org/wiki/Milk_(2008_American_film)
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wikipedia NEUTRAL — Harvey Bernard Milk (May 22, 1930 – November 27, 1978) was an American politician and the first openly gay man to be elected to public office in California, as a member of the San Francisco Board of S…
https://en.wikipedia.org/wiki/Harvey_Milk
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wikipedia NEUTRAL — Milk is a usually white liquid food (but can be shades of yellow, cream, pink, or even brown) produced by the mammary glands of lactating mammals. It is the primary source of nutrition for young mamma…
https://en.wikipedia.org/wiki/Milk
help
Claim 2: “The prize has been awarded by the German Chemical Society since 2022.”
INSUFFICIENT EVIDENCE
This claim was extracted as a checkable statement from the article. eFinder labels it insufficient evidence based on the available evidence and source context shown below.
check_circle
Claim 3: “Two physicists at Brown University published their findings in the journal Physics of Fluids.”
CORROBORATED
This claim was extracted as a checkable statement from the article. eFinder labels it corroborated based on the available evidence and source context shown below.
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wikipedia NEUTRAL — Physical Review E is a peer-reviewed, scientific journal, published monthly by the American Physical Society. The main field of interest is collective phenomena of many-body systems. It is edited by …
https://en.wikipedia.org/wiki/Physical_Review_E
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wikipedia NEUTRAL — Physics of Fluids is a monthly peer-reviewed scientific journal covering fluid dynamics, established by the American Institute of Physics in 1958, and is published by AIP Publishing. The journal focus…
https://en.wikipedia.org/wiki/Physics_of_Fluids
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wikipedia NEUTRAL — Fluid mechanics is the branch of physics concerned with the mechanics of fluids (liquids, gases, and plasmas) and the forces on them. Originally applied to water (hydromechanics), it found application…
https://en.wikipedia.org/wiki/Fluid_mechanics
+ 1 more evidence source
help
Claim 4: “Cold maple syrup took several hours to drain.”
INSUFFICIENT EVIDENCE
This claim was extracted as a checkable statement from the article. eFinder labels it insufficient evidence based on the available evidence and source context shown below.
schedule
Claim 5: “Kay Zufall coined the name Play-Doh for a moldable wallpaper cleaner.”
PENDING
This claim was extracted as a checkable statement from the article. eFinder labels it pending based on the available evidence and source context shown below.
schedule
Claim 6: “Charles Nelson Goodyear discovered vulcanization of rubber accidentally.”
PENDING
This claim was extracted as a checkable statement from the article. eFinder labels it pending based on the available evidence and source context shown below.
help
Claim 7: “Dutta's calculations showed that it takes about 15 minutes for 90% of the residual water to collect at the bottom of the wok.”
INSUFFICIENT EVIDENCE
This claim was extracted as a checkable statement from the article. eFinder labels it insufficient evidence based on the available evidence and source context shown below.
info
Claim 8: “Alexander Fleming discovered penicillin accidentally due to mold spores.”
SINGLE SOURCE
This claim was extracted as a checkable statement from the article. eFinder labels it single source based on the available evidence and source context shown below.
compare_arrows
cross reference SUPPORTS — Alexander Fleming discovered penicillin accidentally due to mold spores contaminating bacterial cultures.
https://www.dw.com/en/last-drop-physics-milk-maple-syrup-oli…
verified
Claim 9: “Thicker olive oil took over 9 minutes to drain.”
VERIFIED BY REFERENCE
This claim was extracted as a checkable statement from the article. eFinder labels it verified by reference based on the available evidence and source context shown below.
menu_book
wikipedia NEUTRAL — The olive (botanical name Olea europaea, "European olive") is a species of subtropical evergreen tree in the family Oleaceae. Originating in Asia Minor, it is abundant throughout the Mediterranean Bas…
https://en.wikipedia.org/wiki/Olive
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wikipedia NEUTRAL — Olive, also called olive green, is a dark yellowish-green color, like that of unripe or green olives. As a color word in the English language, it appears in late Middle English.
https://en.wikipedia.org/wiki/Olive_(color)
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wikipedia NEUTRAL — Olive oil is a vegetable oil obtained by pressing whole olives (the fruit of Olea europaea, a traditional tree crop of the Mediterranean Basin) and extracting the oil. It is commonly used in cooking f…
https://en.wikipedia.org/wiki/Olive_oil
help
Claim 10: “Water drained away within a few seconds in experiments.”
INSUFFICIENT EVIDENCE
This claim was extracted as a checkable statement from the article. eFinder labels it insufficient evidence based on the available evidence and source context shown below.
info
Claim 11: “The researchers calculated the required time using Navier-Stokes equations.”
SINGLE SOURCE
This claim was extracted as a checkable statement from the article. eFinder labels it single source based on the available evidence and source context shown below.
compare_arrows
cross reference SUPPORTS — The researchers calculated the required time using Navier-Stokes equations.
https://www.dw.com/en/last-drop-physics-milk-maple-syrup-oli…
info
Claim 12: “The Mario Markus Prize for Ludic Science is worth €10,000 ($11,600).”
SINGLE SOURCE
This claim was extracted as a checkable statement from the article. eFinder labels it single source based on the available evidence and source context shown below.
compare_arrows
cross reference SUPPORTS — The Mario Markus Prize for Ludic Science is worth €10,000 ($11,600) and has been awarded since 2022.
https://www.dw.com/en/last-drop-physics-milk-maple-syrup-oli…
info Disclaimer: This analysis is generated by AI and should be used as a starting point for critical thinking, not as definitive truth. Claims are verified against publicly available sources. Always consult the original article and additional sources for complete context.