The Nature and Mysteries of Light

The Nature of Light
The Nature of Light
Light behaves as both a particle and a wave, a duality that has puzzled scientists for centuries. Photons are light particles that don't have mass, yet they carry energy.
Light's Infinite Speeds
Light's Infinite Speeds
While light speed is constant in a vacuum, at 299,792 kilometers per second, it can slow down when passing through various mediums, such as water or glass.
Colors of Visible Spectrum
Colors of Visible Spectrum
Light's visible spectrum consists of seven colors, but some animals perceive ultraviolet or infrared, which are invisible to the human eye. Our world's colors are just a fraction of light's range.
Bioluminescence Wonders
Bioluminescence Wonders
Some organisms produce light through chemical reactions. Fireflies and deep-sea creatures use bioluminescence for communication, camouflage, and predation, a mesmerizing survival strategy.
Quantum Entanglement
Quantum Entanglement
In quantum physics, entangled photons affect each other instantaneously, regardless of distance. This 'spooky action at a distance' puzzled Einstein and continues to intrigue scientists.
Light and Time Perception
Light and Time Perception
Light influences our biological clocks. Seasonal changes in daylight patterns affect mood and behavior in humans and animals, a phenomenon known as Seasonal Affective Disorder (SAD) in humans.
Photosynthesis: Light's Nourishment
Photosynthesis: Light's Nourishment
Through photosynthesis, plants convert light energy into chemical energy, producing oxygen. This process is vital for life on Earth and is the foundational energy source for most ecosystems.
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What duality does light exhibit?
It's only a wave
Particle and wave
Solid and liquid