Biology/Electronics-Depth perception and 3D movie
Depth perception is our ability to perceive the world in three dimensions (3D), and to gauge how far away an object is. This actually […]
Biology
Biology/Physics-Origin of the different colors of things
To understand why various objects appear in different colours, we have to start with colour itself. What we perceive as colour is actually our […]
Biology-Different types of eyes in nature
Eyes are essential organs of the visual systems. They detect light and convert it into electro-chemical impulses carried by neurons to the brain, which is […]
Biology-How our ears work
Sound is a mechanical vibration that travels through a medium, such as air or water. When it is picked up by our ears, the […]
Biology-How our eyes work
The human eye belongs to a general group of eyes found in nature called “simple eyes“. It contains a single lens that focuses light […]
