New! Sign up for our free email newsletter.
Reference Terms
from Wikipedia, the free encyclopedia

Heat

In physics, heat is a form of energy associated with the motion of atoms, molecules and other particles which comprise matter; generally defined as energy in motion. The amount of heat exchanged by an object when its temperature varies by one degree is called heat capacity.

Related Stories
 


Matter & Energy News

September 3, 2025

Scientists at Northwestern University have developed a groundbreaking nickel-based catalyst that could transform the way the world recycles plastic. Instead of requiring tedious sorting, the catalyst selectively breaks down stubborn polyolefin ...
Scientists in Japan have uncovered a strange new behavior in “heavy” electrons — particles that act as if they carry far more mass than usual. These electrons were found to be entangled, sharing a deep quantum link, and doing so in ways tied ...
Quantum scientists in Innsbruck have taken a major leap toward building the internet of the future. Using a string of calcium ions and finely tuned lasers, they created quantum nodes capable of generating streams of entangled photons with 92% ...
Rice University physicists confirmed that flat electronic bands in kagome superconductors aren’t just theoretical, they actively shape superconductivity and magnetism. This breakthrough could guide the design of next-generation quantum materials ...
A Vermont research team has cracked a 90-year-old puzzle, creating a quantum version of the damped harmonic oscillator. By reformulating Lamb’s classical model, they showed how atomic vibrations can be fully described while preserving quantum ...
In just one afternoon, scientists used a nanoparticle “megalibrary” to find a catalyst that matches or exceeds iridium’s performance in hydrogen fuel production, at a fraction of the ...
While superconducting qubits are great at fast calculations, they struggle to store information for long periods. A team at Caltech has now developed a clever solution: converting quantum information into sound waves. By using a tiny device that ...
Researchers have developed a blueprint for weaving hopfions—complex, knot-like light structures—into repeating spacetime crystals. By exploiting two-color beams, they can generate ordered chains and lattices with tunable topology, potentially ...
Researchers in Germany have unveiled the Metafiber, a breakthrough device that allows ultra-precise, rapid, and compact control of light focus directly within an optical fiber. Unlike traditional ...
Hydrogen fuel cells could power cars, devices, and homes with nothing but water as a byproduct—but platinum’s cost holds them back. Chinese researchers have now unveiled a breakthrough iron-based catalyst that could rival platinum while boosting ...
A research team created a plant-inspired molecule that can store four charges using sunlight, a key step toward artificial photosynthesis. Unlike past attempts, it works with dimmer light, edging closer to real-world solar fuel ...
Scientists have cracked one of chemistry’s toughest challenges with indoles, using copper to unlock a spot once thought too stubborn to change. The discovery could pave the way for easier, cheaper ...

Latest Headlines

updated 12:56 pm ET