Visible Light Is a Tiny Slice of the Electromagnetic Spectrum
Radio waves, X-rays and gamma rays are all forms of light that human eyes can't see.
Faits connexes
Lumière59 vues
Sunlight Takes Thousands of Years to Escape the Sun's Core
Estimates range from about 10,000 to 170,000 years, before the light takes only eight minutes to reach Earth.
Lumière33 vues
Blue Light Scatters More, Making the Sky Look Blue
The effect is known as Rayleigh scattering.
Lumière42 vues
Light Behaves as Both a Wave and a Particle
This wave-particle duality is central to quantum physics.
Lumière30 vues
Light Travels at About 299,792 Kilometers per Second
Nothing with mass can reach that speed in a vacuum.