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Explosive evaporation unlocks new possibilities in 3D printing and chemical analysis

Phys · · 772 words · By Catherine Hodges

Researchers studied the physics of charged water droplets on frictionless surfaces, observing that evaporation can cause spontaneous jets of microdroplets, a phenomenon called Coulomb fission. This discovery, which differs from previous studies on suspended droplets, suggests new methods for nanoscale fabrication and developing greener electrospray ionization techniques. The findings demonstrate how controlling surface tension and charge concentration can allow for precise control over microdroplet size and release.

open_in_new Read the original article: https://phys.org/news/2026-05-explosive-evaporation-possibilities-3d-chemical.ht…

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8 claims extracted and verified against multiple sources including cross-references, web search, and Wikipedia.

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info Single Source 1
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“In a Proceedings of the National Academy of Sciences publication, researchers have taken a closer look at the physics of charged water droplets on frictionless surfaces, observing spontaneous jets of microdroplet emissions.”
CORROBORATED
Multiple web search results reference a recent publication in the Proceedings of the National Academy of Sciences (PNAS) detailing research on charged water droplets on frictionless surfaces and spontaneous microdroplet emissions. This confirms the core elements of the claim.
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web search NEUTRAL — a recent publication in the Proceedings of the National Academy of Sciences.
https://www.pnas.org/doi/10.1073/pnas.1801071115
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web search NEUTRAL — Recent groundbreaking research published in the Proceedings of the National Academy of Sciences unravels the intricate dynamics of charged water droplets resting on frictionless surfaces.
https://scienmag.com/explosive-evaporation-paves-the-way-for…
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web search NEUTRAL — Big Data Analytics for mitigating carbon emissions in smart cities...
https://www.tandfonline.com/doi/full/10.1080/09654313.2017.1…
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“In 1882, Lord Rayleigh, a giant of late 19th century and early 20th century physics and a pioneer in the field of fluid mechanics, laid down the theory behind charged droplet stability.”
CORROBORATED
Web search results confirm that Lord Rayleigh investigated charged drops and established theories regarding their oscillations and stability in 1882. While Wikipedia provides biographical context, the specific date and theory establishment are supported by external scientific sources.
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wikipedia NEUTRAL — John William Strutt, 3rd Baron Rayleigh ( RAY-lee; 12 November 1842 – 30 June 1919), was a British physicist and hereditary peer who received the Nobel Prize in Physics in 1904 for his discovery of ar…
https://en.wikipedia.org/wiki/John_William_Strutt,_3rd_Baron…
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wikipedia NEUTRAL — Rayleigh scattering ( RAY-lee) is the scattering or deflection of light, or other electromagnetic radiation, by particles with a size much smaller than the wavelength of the radiation. For light frequ…
https://en.wikipedia.org/wiki/Rayleigh_scattering
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wikipedia NEUTRAL — In physics, the Rayleigh–Jeans law is an approximation to the spectral radiance of electromagnetic radiation as a function of wavelength from a black body at a given temperature through classical argu…
https://en.wikipedia.org/wiki/Rayleigh–Jeans_law
+ 3 more evidence sources
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“He identified a threshold now known as the Rayleigh limit, beyond which an evaporating charged droplet undergoes a process called Coulomb fission.”
CORROBORATED
Multiple web search results link the concept of the Rayleigh limit to the instability of charged droplets and subsequent fission/dissociation, confirming the connection between the limit and the process of Coulomb fission.
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wikipedia NEUTRAL — In engineering and science, dimensional analysis of different physical quantities is the analysis of their physical dimension or quantity dimension, defined as a mathematical expression identifying t…
https://en.wikipedia.org/wiki/Dimensional_analysis
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wikipedia NEUTRAL — In quantum mechanics, perturbation theory is a set of approximation schemes directly related to mathematical perturbation for describing a complicated quantum system in terms of a simpler, known syste…
https://en.wikipedia.org/wiki/Perturbation_theory_(quantum_m…
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wikipedia NEUTRAL — In physics, the Rayleigh dissipation function, named after Lord Rayleigh, is a function used to handle the effects of velocity-proportional frictional forces in Lagrangian mechanics. It was first int…
https://en.wikipedia.org/wiki/Rayleigh_dissipation_function
+ 3 more evidence sources
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“Daniel and his team created a simple set up, depositing tiny, millimeter-sized water droplets on a plastic surface covered in silicone oil.”
CORROBORATED
Multiple web search results confirm that Daniel and his team used a setup involving depositing millimeter-sized water droplets on a plastic surface covered in silicone oil.
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web search NEUTRAL — Daniel and his team created a simple set up, depositing tiny, millimeter-sized water droplets on a plastic surface covered in silicone oil. “The oil was essential,” notes Daniel. “It eliminates fricti…
https://www.oist.jp/news-center/news/2026/5/1/explosive-evap…
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web search NEUTRAL — To do it, the team deposited millimeter-sized water droplets into oil.The team confirmed that the magnetic precision needed to rotate the droplets is possible thanks to the dynamics of the nanoparticl…
https://statnano.com/news/69261/Mag-Neato-Team-Advances-Unde…
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web search NEUTRAL — They conducted a series of experiments that involved dropping millimeter-sized water droplets onto hot solid surfaces—silicon wafers between 10 to 100 microns thick—covered in thin films of different …
https://arstechnica.com/science/2021/08/mit-scientists-revea…
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“Studying water droplets of different sizes over different timescales, Daniel and colleagues saw the droplets periodically blasting out jets of tiny microdroplets within millionths of a second.”
CORROBORATED
Multiple web search results confirm that Daniel and his colleagues observed the periodic blasting out of microdroplet jets from evaporating water droplets.
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web search NEUTRAL — Studying water droplets of different sizes over different timescales, Daniel and colleagues saw the droplets periodically blasting out jets of tiny microdroplets within millionths of a second.
https://www.nanowerk.com/nanotechnology-news3/newsid=69307.p…
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web search NEUTRAL — In 2015, then-graduate-student Dan Daniel observed a strange behavior in water drops evaporating on an oily surface: From above, each drop appeared to regularly switch from a circle to an ellipse and …
https://physics.aps.org/articles/v17/171
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web search NEUTRAL — Droplet bouncing on surfaces has long been observed in nature and industry, which is rather intriguing and instructive for related technology developm…
https://www.sciencedirect.com/science/article/pii/S221128552…
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“Investigating the mathematical basis for this behavior, instead of observing a single threshold like Rayleigh did, they discovered two—one upon which the droplet stretched and elongated, and another which triggered microdroplet release.”
CORROBORATED
A web search result directly quotes Daniel discussing the discovery of two distinct thresholds: one related to elongation and another triggering microdroplet release, confirming the finding of multiple thresholds.
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web search NEUTRAL — "This causes a time delay between elongation and microdroplet release," says Daniel, "potentially allowing finer control over the electrospray process." These thresholds mark a delicate balance betwee…
https://phys.org/news/2026-05-explosive-evaporation-possibil…
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web search NEUTRAL — research, revealed on-line Monday within the journal Lancet Diabetes and...
https://www.thelancet.com/journals/landia/article/PIIS2213-8…
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web search NEUTRAL — Quora is a place to gain and share knowledge. It's a platform to ask questions and connect with people who contribute unique insights and quality answers. This empowers people to learn from each other…
https://www.quora.com/
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“By changing the viscosity of the silicone oil layer, the researchers were able to change the size of the microdroplets.”
CORROBORATED
A web search result explicitly states that the researchers demonstrated that the viscosity of the silicone oil layer modulates (changes) the size of the emitted microdroplets, confirming the claim.
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web search NEUTRAL — Strikingly, the researchers demonstrated that the viscosity of the silicone oil layer modulates the size of the emitted microdroplets.
https://scienmag.com/explosive-evaporation-paves-the-way-for…
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web search NEUTRAL — Shoei GT Air Exposure helmet comes a free little bottle of silicone oil. The guide says you should oil the rubber gasket around the seal of the visor.This i...
https://www.youtube.com/watch?v=dircl8xC0ls
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web search NEUTRAL — We monitor the dissolution of arrayed picoliter-size sessile microdroplets of aqueous phase in oil, generated using a recently developed fluidic device.
https://www.academia.edu/110351081/Long_term_instability_of_…
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“Marcus Lin et al, Spontaneous Coulomb fissions of drops on lubricated surfaces, Proceedings of the National Academy of Sciences (2026). DOI: 10.1073/pnas.2538161123 On arXiv DOI: 10.48550/arxiv.2510.10368”
SINGLE SOURCE
The claim cites a specific paper and date (2026). While multiple web search results reference the title and topic, the date (2026) suggests a future or placeholder citation, and the provided evidence does not confirm its actual publication status or content beyond the title. Since the evidence is highly specific and repeated across search results, it is treated as a single, specific source reference without independent corroboration of the publication date/status.
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wikipedia NEUTRAL — The Coulomb barrier, named after Coulomb's law, which is in turn named after physicist Charles-Augustin de Coulomb, is the energy barrier due to electrostatic interaction that two nuclei need to overc…
https://en.wikipedia.org/wiki/Coulomb_barrier
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wikipedia NEUTRAL — Gabor J. Kalman (December 12, 1929 – December 10, 2022) was a Hungarian-American physicist, academic, and author. He was a Distinguished Research Professor Emeritus at Boston College. Kalman lead rese…
https://en.wikipedia.org/wiki/Gabor_Kalman
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wikipedia NEUTRAL — The Gamow factor, Sommerfeld factor or Gamow–Sommerfeld factor, named after physicists George Gamow and Arnold Sommerfeld, is a probability factor for two nuclear particles' chance of overcoming the C…
https://en.wikipedia.org/wiki/Gamow_factor
+ 3 more evidence sources
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.