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11 articles found · Search results for “molecules”
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Polarization of light is the state in which light’s vibrations are lined up in one direction. This article covers how polarization works, including Malus’s law, the three ways ligh
Physics
Rayleigh scattering, worked out by Lord Rayleigh in 1871, is the scattering of light by particles much smaller than its wavelength, such as air molecules, and it is far stronger fo
Physics
Why can a full glass of water bulge above the rim without spilling, and how do water striders walk on ponds? This article explains how surface tension arises, why water's is unusua
Physics
Why does a swing go higher and higher when you push it in rhythm? This article explains what resonance and natural frequency mean, how the swaying grows, its uses in musical instru
Physics
Why do tiny particles in water never stop jiggling? This article explains Brownian motion, first observed by Robert Brown, the principle Einstein uncovered behind it, Perrin's expe
Physics
The photoelectric effect is the phenomenon in which electrons at the surface of a material such as a metal or semiconductor absorb energy from incident light and escape. This artic
Physics
The universe we live in is filled with countless forms of matter. The desk in front of us, the air we breathe, and even we ourselves all have mass. But one of the most fundamental
Physics
Quantum mechanics is a theoretical framework that plays an important role in understanding the fundamental properties of matter and energy. Among its principles, the uncertainty pr
Physics
Theories that explain how matter and energy interact in the quantum world form an important foundation of modern physics. Among them, the Schrödinger equation plays an important ro
Physics
Electromagnetism is a branch of physics that studies phenomena involving interactions between electrons and magnetic fields, providing a theoretical and experimental foundation for
Physics
Modern science plays a central role in understanding the various phenomena we encounter in everyday life and developing new technologies based on that understanding. Among its theo
