The tools of sensation: the senses

The tools of sensation: the senses
The tools of sensation: the senses

Physicists and chemists have long known that our world is made of matter: particles, atoms, molecules and other forms of energy. Basically, the universe is one big ball of energy. Everything corresponds to a certain configuration of energy. Therefore,

“feeling” can be defined as the process by which one mentally acquires information about the world through the reception of its various forms of energy. The forms of energy with which human beings are most often in contact are light (electromagnetic energy),

sound (acoustic energy or sound waves), heat (thermal energy), pressure (mechanical or physical energy) and chemical energy. Some organisms are in contact with the same forms of energy as humans but are more sensitive to them.

For example, sharks smell chemical particles, such as blood, from a much smaller amount. Similarly, dogs can hear higher sound frequencies. Each form of energy has its own type of receiver. Humans are endowed with five senses, each of which is receptive to a particular form of energy: Sight: receiver of light energy. Hearing: Receiver of acoustic energy (sound waves). Touch: Receiver of mechanical energy. Sense of smell: receiver of chemical energy carried by the air. Taste: receiver of chemical energy.

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