Galileo’s Pump Problem

Galileo’s Pump Problem

Galileo’s Pump Problem A duke living in Tuscany, Italy, in the 17th century installed a well in the courtyard of the palace. But, the duke saw the pump fail to pull water up. The Duke asked … more

Why is the Sky Blue?

Why is the Sky Blue?

What is the size of the light? There is no exact concept of sizing the light, but it uses the wavelength of the light. Wavelength is the distance traveled by a wave before it vibrates once … more

Equilibrium of Radiation

Equilibrium of Radiation

Radiation Places close to the stove feel warmer than places farther away. This is because heat is transferred directly from the stove without any movement of material. This phenomenon in which heat is transferred directly without … more

Where did dew come from?

Where did Dew come from?

Could the cup’s water leak out? From the conclusion, the water on the surface of the cup is derived from the air. In an arid desert, dew does not occur. If you put the ice in … more

포화 수증기량 곡선

Graph of Saturated Vapor 2

Water vapor in the air Liquid water can evaporate and turn into water vapor in the air. Conversely, water vapor in the air may turn back into the water. Some are very dry, with no moisture … more

Psychrometer(hygrometry)

Psychrometer(hygrometer)

hygrometer It is a simple device that allows you to determine the humidity by measuring the difference in how much water evaporates. Compared to a simple structure, humidity can be measured relatively accurately. Before electronic hygrometers … more