Science simulations

자바실험실 JavaLab

What is JavaLab?

Free interactive science simulation using JavaScript Simulates various natural phenomena Includes Physics, Chemistry, Earth, Astronomy, Biology, Measurment, Mathmatics… No need to plugin add-on Available on mobile devices and tablets also Free of…
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폐의 표면적 Area of Lung

Wrinkles in living organisms

Respiratory organ To maintain life, we absorb oxygen from the air. And we export carbon dioxide from the body. Human respiratory organs include nose, organs, bronchi, lungs. Each bronchus in the lung…
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potential energy by gravity

Potential energy due to gravity

Potential energy due to gravity Lifting heavy objects increases the potential energy of the object. The amount of work done when lifting an object of mass m by height h can be…
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여러 모양 지층 만들기 Stratum Making

Stratum Making

About this simulation, When you press the button, you can see the corresponding strata. Combining the layer, you can create variety stratum. This simulation is presented as a mathematical model. Actual strata…
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카메라 Camera


Focus adjustment of the camera The eye focuses by adjusting the thickness of the lens. On the other hand, the camera focuses by adjusting the position of the lens. Focusing To view…
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‘Work’ in science

‘Work’ in science ‘Work’ in science and ‘work’ in everyday life are a little different. In science, ‘work’ is to apply a force to an object and move it in the direction…
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홍채와 섬모체

Iris and ciliary body

Iris muscles In the iris, there are the ‘Iris sphincter muscle’ that constricts the pupil and the ‘Iris dilator muscle’ that enlarges the pupil. Both muscles work in reverse, controlling the size…
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달의 위상 3

Phase of the Moon 2

It is only the sun that shines by itself in the solar system. Earth and moon do not emit light themselves. The earth and the moon only reflect the light of the…
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직류 전동기 DC Motor

DC Motor

Motor An electric motor is a device that converts electrical energy into mechanical energy by utilizing the force received by a conductor through which a current flows in a magnetic field. Electric…
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