subtopics: Physics

X-Rays: Seeing Inside the Human Body With Physics

The Physics of MRI Machines in Medicine

Magnetic Levitation: How Trains Float Above Tracks

Superconductors: Zero Resistance and Amazing Possibilities

LED Lights: Why They’re Efficient and Bright

Solar Cells: How Physics Turns Sunlight Into Electricity

Transistors: The Tiny Switches That Power Modern Life

Semiconductor Physics: The Science Behind Microchips

Fiber Optics: How Light Carries the Internet

Lasers Explained: From Barcode Scanners to Eye Surgery

What Is Applied Physics? Turning Theory Into Technology