Animal world
What is special about fish eyes to make them see clearly underwater?
The aspherical lens at the fisheye helps to compensate for the lack of refraction and better focus the image on the fovea - the area of clear vision.
Refraction
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Articles about Refraction
27 published items.
Environment
A rare pink rainbow appears in the sky
The photographer stumbled across the pink rainbow, a phenomenon that often occurs at sunrise and sunset, against a backdrop of blue skies in Scotland.
Discover science
Why do black and white stripes turn?
What made the black and white stripes turn when we put a glass of water in front? The explanation for this phenomenon stems from what physical laws?
Discover science
Why are beef steaks glowing in rainbow colors?
Recently, a girl posted on her personal Facebook page a picture of a piece of beef
Discover science
Li explained the phenomenon of fire rainbow
Rainbow fire appeared in the sky with many outstanding colors, but only observed in certain areas.
Discover science
Li explained the phenomenon of city mirage at sea
The illusion of the city on the sea is a unique and fascinating phenomenon of nature, surprising the witnesses and many, evoking myths.
1001 mystery
Mysterious ghost path on Jeju Island - South Korea
Ghost Road in Jeju Island With a length of about 100m, Dokkebi Road, located about 7 km from Jeju International Airport, is considered the most exotic road in the world.
1001 mystery
The truth about mysterious light streams
Light emits from the atmosphere with strange and mysterious images. Sometimes people interpret them as UFOs or some mysterious force's activity.
1001 mystery
Revealing the twin sun mysteries in China
The twin sun was seen in the sky of China. According to scientists, this phenomenon is very rare.
Space science
The cause of the planet is not flashing like stars
The stars that blink continuously in the night sky are due to the light emitted from them being refracted many times as they pass through the Earth's atmosphere.
Animal world
The 'rainbow' lizard appears in Cambodia
When the sun's rays on a skin of a new lizard species are discovered in the rainforests of Cambodia, many colors will appear like the rainbow effect.
Environment
Phenomenon 'The ghost sun' is rare in the sky of Sweden
The halo appears when sunlight refracts through the cirrus clouds at an altitude of nearly 6,100 meters above the ground.
Environment
Why the snow is white?
Water is a transparent colorless compound; Ice particles are colorless and transparent. Snow is made up of countless tiny ice particles, so why is snow white?
Environment
What is the sun halo?
The big light around the Sun is not a circular rainbow. It is merely the result of a common optical phenomenon in nature: light refraction.
Environment
Why do corals appear around the Sun and Moon?
Sometimes we will find in the sky filled with silver gray clouds, when the sunlight or the moon shines on the clouds, the surroundings will be a faded silver halo. The h…