Physics
When a Small Force Becomes a Big Sway: Resonance
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
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Physics
Light That Knocks Out Electrons: The Photoelectric Effect
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
Plasma Technology: Boundless Innovation and Possibilities
Plasma is the 4th state of matter, following solids, liquids, and gases, and is a unique state with electrical and high-temperature characteristics. These characteristics give plas
Physics
Understanding Semiconductor Physics: The Core Principles of Electronics
Semiconductor physics provides the core theoretical foundation of modern electronics. Semiconductors, with properties between those of conductors and insulators, carry current thro