* . *
  • About
  • Advertise
  • Privacy & Policy
  • Contact
Tuesday, June 3, 2025
Earth-News
  • Home
  • Business
  • Entertainment
    Salem’s Harborwalk Garden Cultivates Community with Entertainment, Food, and Events – 105.7 WROR

    Discover the Vibrant Community Spirit at Salem’s Harborwalk Garden: A Hub for Entertainment, Food, and Fun!

    Entertainment-Focused Narrative and Culture Change Practice – New America

    Transforming Culture Through Engaging Entertainment Narratives

    Rising stars: Young classical musicians surging on social media – Yahoo

    Meet the Next Generation of Classical Music Sensations Making Waves on Social Media!

    Devin Harjes Dies: ‘Manifest’ & ‘Boardwalk Empire’ Actor Was 41 – WyomingNews.com

    Tragic Loss: Devin Harjes, Star of ‘Manifest’ and ‘Boardwalk Empire,’ Passes Away at 41

    Why Starz Entertainment Stock Soared Today – The Motley Fool

    Unpacking the Surge: What Fueled Starz Entertainment’s Stock Explosion Today!

    Unveiling the Enigmatic: First Looks at Destruction and Puck in ‘The Sandman

  • General
  • Health
  • News

    Cracking the Code: Why China’s Economic Challenges Aren’t Shaking Markets, Unlike America’s” – Bloomberg

    Trump’s Narrow Window to Spread the Truth About Harris

    Trump’s Narrow Window to Spread the Truth About Harris

    Israel-Gaza war live updates: Hamas leader Ismail Haniyeh assassinated in Iran, group says

    Israel-Gaza war live updates: Hamas leader Ismail Haniyeh assassinated in Iran, group says

    PAP Boss to Niger Delta Youths, Stay Away from the Protest

    PAP Boss to Niger Delta Youths, Stay Away from the Protest

    Court Restricts Protests In Lagos To Freedom, Peace Park

    Court Restricts Protests In Lagos To Freedom, Peace Park

    Fans React to Jazz Jennings’ Inspiring Weight Loss Journey

    Fans React to Jazz Jennings’ Inspiring Weight Loss Journey

    Trending Tags

    • Trump Inauguration
    • United Stated
    • White House
    • Market Stories
    • Election Results
  • Science
  • Sports
  • Technology
    Finland Set to Lead EU Quantum Technology Defense Project – IoT World Today

    Finland Set to Lead EU Quantum Technology Defense Project – IoT World Today

    AI for lawyers: Win back your time using technology – nationaljurist.com

    Reclaim Your Time: How AI is Transforming the Legal Profession

    Prosecutors accuse men of exporting U.S. military technology to China – Milwaukee Journal Sentinel

    Men Charged with Illegally Exporting U.S. Military Technology to China

    ROLAND’S NEW WIRELESS TRIGGER TECHNOLOGY, PORTER & DAVIES ON TOUR, NEW 64 AUDIO ASPIRE UNIVERSAL IEM MODELS, WAVES FREE PLUGIN PACK – Modern Drummer Magazine

    ROLAND’S NEW WIRELESS TRIGGER TECHNOLOGY, PORTER & DAVIES ON TOUR, NEW 64 AUDIO ASPIRE UNIVERSAL IEM MODELS, WAVES FREE PLUGIN PACK – Modern Drummer Magazine

    This giant microwave may change the future of war – MIT Technology Review

    Revolutionizing Warfare: The Impact of a Game-Changing Giant Microwave

    Bajeed Pattan Joins Forbes Technology Council as Innovation Leader – PRWeb

    Bajeed Pattan Takes the Helm as Innovation Leader at Forbes Technology Council!

    Trending Tags

    • Nintendo Switch
    • CES 2017
    • Playstation 4 Pro
    • Mark Zuckerberg
No Result
View All Result
  • Home
  • Business
  • Entertainment
    Salem’s Harborwalk Garden Cultivates Community with Entertainment, Food, and Events – 105.7 WROR

    Discover the Vibrant Community Spirit at Salem’s Harborwalk Garden: A Hub for Entertainment, Food, and Fun!

    Entertainment-Focused Narrative and Culture Change Practice – New America

    Transforming Culture Through Engaging Entertainment Narratives

    Rising stars: Young classical musicians surging on social media – Yahoo

    Meet the Next Generation of Classical Music Sensations Making Waves on Social Media!

    Devin Harjes Dies: ‘Manifest’ & ‘Boardwalk Empire’ Actor Was 41 – WyomingNews.com

    Tragic Loss: Devin Harjes, Star of ‘Manifest’ and ‘Boardwalk Empire,’ Passes Away at 41

    Why Starz Entertainment Stock Soared Today – The Motley Fool

    Unpacking the Surge: What Fueled Starz Entertainment’s Stock Explosion Today!

    Unveiling the Enigmatic: First Looks at Destruction and Puck in ‘The Sandman

  • General
  • Health
  • News

    Cracking the Code: Why China’s Economic Challenges Aren’t Shaking Markets, Unlike America’s” – Bloomberg

    Trump’s Narrow Window to Spread the Truth About Harris

    Trump’s Narrow Window to Spread the Truth About Harris

    Israel-Gaza war live updates: Hamas leader Ismail Haniyeh assassinated in Iran, group says

    Israel-Gaza war live updates: Hamas leader Ismail Haniyeh assassinated in Iran, group says

    PAP Boss to Niger Delta Youths, Stay Away from the Protest

    PAP Boss to Niger Delta Youths, Stay Away from the Protest

    Court Restricts Protests In Lagos To Freedom, Peace Park

    Court Restricts Protests In Lagos To Freedom, Peace Park

    Fans React to Jazz Jennings’ Inspiring Weight Loss Journey

    Fans React to Jazz Jennings’ Inspiring Weight Loss Journey

    Trending Tags

    • Trump Inauguration
    • United Stated
    • White House
    • Market Stories
    • Election Results
  • Science
  • Sports
  • Technology
    Finland Set to Lead EU Quantum Technology Defense Project – IoT World Today

    Finland Set to Lead EU Quantum Technology Defense Project – IoT World Today

    AI for lawyers: Win back your time using technology – nationaljurist.com

    Reclaim Your Time: How AI is Transforming the Legal Profession

    Prosecutors accuse men of exporting U.S. military technology to China – Milwaukee Journal Sentinel

    Men Charged with Illegally Exporting U.S. Military Technology to China

    ROLAND’S NEW WIRELESS TRIGGER TECHNOLOGY, PORTER & DAVIES ON TOUR, NEW 64 AUDIO ASPIRE UNIVERSAL IEM MODELS, WAVES FREE PLUGIN PACK – Modern Drummer Magazine

    ROLAND’S NEW WIRELESS TRIGGER TECHNOLOGY, PORTER & DAVIES ON TOUR, NEW 64 AUDIO ASPIRE UNIVERSAL IEM MODELS, WAVES FREE PLUGIN PACK – Modern Drummer Magazine

    This giant microwave may change the future of war – MIT Technology Review

    Revolutionizing Warfare: The Impact of a Game-Changing Giant Microwave

    Bajeed Pattan Joins Forbes Technology Council as Innovation Leader – PRWeb

    Bajeed Pattan Takes the Helm as Innovation Leader at Forbes Technology Council!

    Trending Tags

    • Nintendo Switch
    • CES 2017
    • Playstation 4 Pro
    • Mark Zuckerberg
No Result
View All Result
Earth-News
No Result
View All Result
Home Science

Slippery Science: Unlocking the Secrets of Superlubricity for Energy Efficiency

January 20, 2024
in Science
Slippery Science: Unlocking the Secrets of Superlubricity for Energy Efficiency
Share on FacebookShare on Twitter

Superlubricity Frictionless Surfaces Energy-Efficient Technology

Researchers have made groundbreaking discoveries in superlubricity, demonstrating how this state of minimal friction could revolutionize energy efficiency in mechanical systems. Their work reveals that friction in superlubricity defies traditional laws, offering promising applications for reducing global energy consumption. Credit: SciTechDaily.com

Scientists led by the University of Leicester have made an insight into superlubricity, where surfaces experience extremely low levels of friction.

While many of us are treading carefully to avoid a slip in the frosty weather, scientists led by the University of Leicester have been investigating how to make surfaces even slippier!

They have solved a conundrum in the principles of superlubricity – a state in which two surfaces experience little to almost vanishing friction when sliding across one another. They have published their conclusions in a paper for the journal Physical Review Letters.

Understanding Superlubricity

Superlubricity is associated with molecular smooth surfaces such as graphene and has only been observed in the laboratory environment where these surfaces are synthesized at nano and micron scales. It looks very promising for technological applications where it could potentially reduce friction up to 1000 – 10000 times, as compared to conventional friction in machines and mechanisms.

Most people will know intuitively that friction – the resistance of an object to sliding – is larger for heavier objects than for lighter ones, also known as Amontons-Coulomb friction law formulated more than 300 years ago.

However, it does not apply for superlubricity. This phenomenon is up to tens of thousand times smaller than conventional friction and the friction force does not depend on the weight of an object. In other words, increasing the weight of a body from grams to tens of kilograms would not alter the level of friction force.

Frictionless Surfaces Numerical Experiments

Illustration of the setup for ‘in silico’ numerical experiments (MD simulations). The Cu tip, covered by graphene layer (red), slides over Cu substrate covered with another graphene layer (blue). Credit: University of Leicester

New Discoveries in Friction

But an international group of scientists, led by Professor Nikolai Brilliantov from the University of Leicester, has now discovered that ‘synchronic’ fluctuations of the objects’ surfaces, caused by random vibrations of surface atoms, give rise to friction. Such vibrations exist at any non-zero temperature and their intensity decrease with decreasing temperature. This means that by lowering the surface temperature, the effects of friction can be lowered further.

Professor Brilliantov, from Leicester’s School of Computing and Mathematical Sciences, said: “Such a dramatic difference with the common friction is intriguing and needs explanation. There are other surprising features of superlubricity, such as the unusual dependence of friction force on the sliding velocity, on temperature, and contact area. All these dependencies are opposite to those predicted by the traditional Amontons-Coulomb laws.

“Explaining the enigmatic behavior of superlubricity will help to control ultralow friction, which can open the breath-taking horizons of its industrial applications.”

Research Methods and Findings

To investigate the principles of superlubricity, a contact of two molecular smooth surfaces was created – a tip sliding on a substrate, both covered with a graphene layer – and the friction force was measured using lateral force microscopy. They also performed ‘in silico’ full-scale numerical experiments using Molecular Dynamic simulations to create a very realistic model of the real phenomenon.

The two surfaces should be incommensurate, which means the potential ‘hills’ in the molecular structure of one surface should not fit to the potential ‘wells’ of the other surface. The surfaces are like two egg boxes put together: if they fit together, they will lock and more force is needed to cause sliding.

If the temperature of the surfaces is not zero, friction force appears, due to surface corrugations, caused by thermal fluctuations. The scientists demonstrated that “synchronic” thermal fluctuations, when two surfaces bent simultaneously, remaining in a tight contact, are responsible for the friction. The higher the temperature of the surfaces, the larger the amplitude of the synchronic fluctuations; the larger the contact area, the larger the number of surface fluctuations hindering the relative motion.

Future Implications

Professor Brilliantov adds: “We have been able to explain the atomistic mechanism of the enigmatic independence of friction force on the weight of a body and formulated new friction laws for superlubricity. These laws, although being in a sharp contrast with the Amontons-Coulomb laws, describe this phenomenon rather well.

“Once molecular smooth-surface layers are produced on the scale of millimeters or centimeters, all moving, rotating, oscillating contacts in machines and mechanisms will be covered with such surface layers. It will drastically decrease energy consumption worldwide. To further decrease the energy consumption, the largest contacts will be possibly kept at low temperatures.”

Reference: “Atomistic Mechanism of Friction-Force Independence on the Normal Load and Other Friction Laws for Dynamic Structural Superlubricity” by Nikolay V. Brilliantov, Alexey A. Tsukanov, Artem K. Grebenko, Albert G. Nasibulin and Igor A. Ostanin, 26 December 2023, Physical Review Letters.
DOI: 10.1103/PhysRevLett.131.266201

>>> Read full article>>>
Copyright for syndicated content belongs to the linked Source : SciTechDaily – https://scitechdaily.com/slippery-science-unlocking-the-secrets-of-superlubricity-for-energy-efficiency/

Tags: scienceSlippery
Previous Post

A Greener Tomorrow: U.S. Utilities on Track To Be 100% Renewable by 2060

Next Post

Challenging the Traditional View – Researchers Uncover New Factors in Antibiotic Resistance

Plan to control nonpoint sources of pollution – Washington State Department of Ecology (.gov)

Taking Charge: Strategies to Tackle Nonpoint Source Pollution in Washington State

June 3, 2025
The Uncertain and Shifting Future of Ph.D.s in Science – Undark Magazine

Navigating the Unpredictable Future of Science Ph.D.s: Challenges and Opportunities Ahead

June 3, 2025
‘Sport Science’ host John Brenkus dies after battle with depression – ABC News

‘Sport Science’ host John Brenkus dies after battle with depression – ABC News

June 3, 2025
Cost of ‘minimum retirement lifestyle’ has fallen amid lower energy prices – London Evening Standard

Affordable Retirement: How Lower Energy Prices Are Redefining Minimum Lifestyle Costs

June 3, 2025
Opinion | Poland Just Sent an Ominous Signal to the World – The New York Times

Poland’s Alarming Message to the Global Community

June 3, 2025
Report ranks Iowa as state with the worst economy – KCRG

Report ranks Iowa as state with the worst economy – KCRG

June 3, 2025
Salem’s Harborwalk Garden Cultivates Community with Entertainment, Food, and Events – 105.7 WROR

Discover the Vibrant Community Spirit at Salem’s Harborwalk Garden: A Hub for Entertainment, Food, and Fun!

June 3, 2025
18 High-Protein Breakfasts for Better Gut Health – EatingWell

Boost Your Gut Health with These 18 Delicious High-Protein Breakfasts!

June 3, 2025
Diagnosis for 6.2.25: Checking the pulse of Florida health care news and policy – Florida Politics

Diagnosis for 6.2.25: Checking the pulse of Florida health care news and policy – Florida Politics

June 3, 2025
Finland Set to Lead EU Quantum Technology Defense Project – IoT World Today

Finland Set to Lead EU Quantum Technology Defense Project – IoT World Today

June 3, 2025

Categories

Archives

June 2025
MTWTFSS
 1
2345678
9101112131415
16171819202122
23242526272829
30 
« May    
Earth-News.info

The Earth News is an independent English-language daily published Website from all around the World News

Browse by Category

  • Business (20,132)
  • Ecology (662)
  • Economy (676)
  • Entertainment (21,582)
  • General (15,258)
  • Health (9,719)
  • Lifestyle (679)
  • News (22,149)
  • People (677)
  • Politics (685)
  • Science (15,897)
  • Sports (21,181)
  • Technology (15,663)
  • World (664)

Recent News

Plan to control nonpoint sources of pollution – Washington State Department of Ecology (.gov)

Taking Charge: Strategies to Tackle Nonpoint Source Pollution in Washington State

June 3, 2025
The Uncertain and Shifting Future of Ph.D.s in Science – Undark Magazine

Navigating the Unpredictable Future of Science Ph.D.s: Challenges and Opportunities Ahead

June 3, 2025
  • About
  • Advertise
  • Privacy & Policy
  • Contact

© 2023 earth-news.info

No Result
View All Result

© 2023 earth-news.info

No Result
View All Result

© 2023 earth-news.info

Go to mobile version