Reference Terms

from Wikipedia, the free encyclopedia

Electromagnetism

Electromagnetism is the physics of the electromagnetic field: a field, encompassing all of space, which exerts a force on those particles that possess the property of electric charge, and is in turn affected by the presence and motion of such particles.

Note: The above text is excerpted from the Wikipedia article "Electromagnetism", which has been released under the GNU Free Documentation License.

For more information, see the following related content on ScienceDaily:

1

2

Researchers Analyzed Circulating Currents Inside Gold Nanoparticles

Apr. 30, 2021 — Researchers have developed a method that allows for simulation and visualization of magnetic-field-induced electron currents inside gold nanoparticles. The method facilitates accurate analysis of ...

Ultracold Atoms Dressed by Light Simulate Gauge Theories

Aug. 10, 2022 — Researchers have used the coldest systems in the universe to realize in the laboratory gauge theories, key models of modern physics that describe the fundamental forces of Nature and the behavior of ...

Physicists Solve Geometrical Puzzle in Electromagnetism

Dec. 16, 2020 — A team of scientists have solved the longstanding problem of how electrons move together as a group inside cylindrical ...

Researchers Discover New Limit of Trapping Light at the Nanoscale

Aug. 11, 2021 — Physicists have reached a new threshold of light-matter coupling at the ...

Physicists Reveal Non-Reciprocal Flow Around the Quantum World

Nov. 16, 2021 — Physicists have created a theory describing how non-reciprocity can be induced at the quantum level, paving the way for non-reciprocal transport in the next generation of ...

A Molecule of Light and Matter

Aug. 1, 2022 — A very special bonding state between atoms has been created in the laboratory: With a laser beam, atoms can be polarized so that they are positively charged on one side and negatively charged on the ...

Visualizing Atomic-Scale Structures With Optical Force

June 29, 2021 — Scientists succeeded in imaging the photocatalytic function of nanoparticles with unprecedently high resolution, which may provide a new tool for nanotechnology and optical manipulation of tiny ...

Searching for Dark Matter Through the Fifth Dimension

Feb. 1, 2021 — Theoretical physicists are working on a theory that goes beyond the Standard Model of particle physics. The central element is an extra dimension in spacetime. Until now, the scientists have faced ...

Beyond Sci-Fi: Manipulating Liquid Metals Without Contact

Feb. 7, 2022 — Research inspired by Terminator 2's shape-shifting, liquid metal robot sees liquid-metal electrical conductors manipulated in mid-air without contact. The liquid wires can be controlled to move ...

New Study Models the Transmission of Foreshock Waves Towards Earth

Dec. 22, 2022 — As the supersonic solar wind surges towards Earth, its interaction with our planet's magnetic field creates a shock to deflect its flow, and a foreshock filled with electromagnetic waves. How ...

Matter & Energy News

December 6, 2023

Printed Robots With Bones, Ligaments, and Tendons

Nov. 15, 2023 — For the first time, researchers have succeeded in printing a robotic hand with bones, ligaments and tendons made of different polymers using a new laser scanning technique. The new technology makes it possible to 3D print special plastics with ...

'Cooling Glass' Blasts Building Heat Into Space

Nov. 13, 2023 — Researchers aiming to combat rising global temperatures have developed a new 'cooling glass' that can turn down the heat indoors without electricity by drawing on the cold depths of space. The new technology, a microporous glass coating, can lower ...

Photonics Team Develops High-Performance Ultrafast Lasers That Fit on a Fingertip

Nov. 9, 2023 — Scientists demonstrate a novel approach for creating high-performance ultrafast lasers on nanophotonic chips. The new advance will enable pocket-sized devices that can perform detailed GPS-free ...

450-Million-Year-Old Organism Finds New Life in Softbotics

Nov. 6, 2023 — Researchers have used fossil evidence to engineer a soft robotic replica of pleurocystitids, a marine organism that existed nearly 450 million years ago and is believed to be one of the first echinoderms capable of movement using a muscular ...

Latest Headlines

updated 12:56 pm ET

Bowtie Resonators That Build Themselves Bridge the Gap Between Nanoscopic and Macroscopic

Dec. 6, 2023 — Two nanotechnology approaches converge by employing a new generation of fabrication technology. It combines the scalability of semiconductor ...

Grinding Coffee With a Splash of Water Reduces Static Electricity and Makes More Consistent and Intense Espresso

Dec. 6, 2023 — The fracturing and friction of coffee beans during grinding generates electricity that causes coffee particles to clump together and stick to the ...

Breakthrough in Photoactivatable Nanomedicine for the Treatment of Age-Related Macular Degeneration

Dec. 5, 2023 — Researchers have developed a light-activatable prodrug nanomedicine for age-related macular degeneration (AMD) therapy. Through the intravenous ...

Chemists Create Organic Molecules in a Rainbow of Colors

Dec. 5, 2023 — Chemists have now come up with a way to make molecules known as acenes more stable, allowing them to synthesize acenes of varying lengths. Using their new approach, they were able to build molecules ...

From Infamy to Ingenuity: Bacterial Hijack Mechanisms as Advanced Genetic Tools

Dec. 5, 2023 — Researchers have uncovered the intricate molecular mechanism used by parasitic phytoplasma bacteria, known for inducing 'zombie-like' effects in ...

Artificial Intelligence Makes Gripping More Intuitive

Dec. 5, 2023 — Artificial hands can be operated via app or with sensors placed in the muscles of the forearm. New research shows: a better understanding of muscle activity patterns in the forearm supports a more ...

AI Accelerates Problem-Solving in Complex Scenarios

Dec. 5, 2023 — Researchers have developed a new, data-driven machine-learning technique that speeds up software programs used to solve complex optimization problems that can have millions of potential solutions. ...

Laser Additive Manufacturing: Listening for Defects as They Happen

Dec. 5, 2023 — Researchers have resolved a long-standing debate surrounding laser additive manufacturing processes with a pioneering approach to defect ...

Harvesting Water from Air With Solar Power

Dec. 5, 2023 — Researchers have developed a promising new solar-powered atmospheric water harvesting technology that could help provide enough drinking water for people to survive in difficult, dryland areas: They ...

Optical Data Storage Breakthrough

Dec. 4, 2023 — Physicists have developed a technique with the potential to enhance optical data storage capacity in diamonds. This is possible by multiplexing the storage in the spectral ...