Why do we always have crystal ball covered?
Why do we always have crystal ball covered? While surfing the web, I came across a fascinating article on Twitter....
Refraction Simulation
Evolution of the eye
Flagellate Hundreds of millions of years ago, light-sensing organelles arose inside the monad. Creatures with ‘photoreceptors’ are able to distinguish...
Correction of Near-sightedness & Far-sightedness
Focusing The light started from the object must have arrived exactly at one point on the retina to see things...
Rainbow by Raindrops
A rainbow is a natural phenomenon where the dispersion of light is most visible. As you know, We can see...
Convex Lens & Concave Lens
Real image and virtual image Looking at an object, we feel there is an object in it. By the way,...
Refraction on water
Refraction is the bending of a wave caused by a change in its speed as it moves from one medium...
Camera
Focus adjustment of the camera The eye focuses by adjusting the thickness of the lens. On the other hand, the...
Light Refraction
You can drag the path of light. Refraction is the bending of a wave caused by a change in its...
Prism
The refractive index of the prism glass was assumed to be 1.51 for red light (≒700 nm) and 1.53 for...
See the Light
Even if the object does not shine by itself, why can we see it? The eye is the organ that...
Rainbow Formation
A rainbow is a natural phenomenon where the dispersion of light is most visible. As you know, We can see...
Principle of least time (Fermat’s principle)
Why does a slightly curved path take less time than a straight path? Ants can move faster on flat stones...
