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Physics
Ferromagnetism: The Quantum Force Behind Every Magnet
Ferromagnetism is a property of certain materials, most notably iron, cobalt, and nickel, that causes their atomic magnetic moments to align spontaneously, producing...
Fracture Mechanics: How Engineers Predict When Cracks Fail
Fracture mechanics is the engineering discipline that predicts how cracks in materials grow under stress and when that growth leads to failure.
Brownian Motion: The Random Dance That Proved Atoms Exist
Brownian motion is the irregular, jittering movement of small particles suspended in a liquid or gas, caused by constant collisions with the surrounding...
Stephen Wolfram: No AI Has Impressed Me in My Hunt for Physics Theory
The Wolfram Research founder explains why simple computational rules might reveal the universe's machine code
The 'Impossible' LED That Could Change Cancer Surgery
Organic molecules 'whisper' energy into insulating nanoparticles, opening a path to sharper surgical imaging in the infrared.
The Planck Length Marks Where Physics Runs Out of Answers
The Planck length marks the smallest distance physics can describe. Brian Cox explains why observation itself breaks down at 10⁻³⁵ metres.
