�ڹٽ����� JavaLab
���� Physics
���� � Mechanics
������ �ڱ� Electricity & Magnetism
�� Light
�ĵ� Wave
���ڿ� ���빰�� Atoms & Modern Physics
ȭ�� Chemistry
���� ��� ������ Molecular Movement & Thermodynamics
ȭ�� ���� Chemical Reactions
���ڿ� ȭ�� ���� Molecules & Chemical Bonds
����ȭ�� Electrochemistry
�������� Biology
�������� EarthScience
������ Geology
������ Meteorology
õ���� �Ϲ� Astrology
������ �� Earth & Moon
�¾��� Solar System
���� Math.
���� Mathematics
������ Fractal, �˰����� Algorithm
���� ���� Science Games
��Ÿ Misc
�̵��� Lee.DongJoon
�ڹٽ����� JavaLab
�Ƶ��̳� ���� ������Ʈ Arduino Toys
���ڰ��� ��ũ��(�ʺ��ڸ� ����)
�극�庸�� ���ڰ��н���
DIY ����ȸ�� ������Ʈ
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Free science simulations for learning science concepts.
HTML5 based. No membership required.
Supports multiple languages via Google Translate service.
���� ������ ���� ����(�ùķ��̼�)�� �����մϴ�.
����, ȭ��, ��������, ��������, ���� �� �پ��� �ڿ����� ������ ǥ���Ͽ����ϴ�.
�ڹٽ����� �����̽�
HTML5 �������� �����ϱ��� �� �º��������� �̿��� �� �ֽ��ϴ�.
������ �÷����� ��ġ�� ȸ������ ���� �ٷ� �����ϼ���.
�ֱ� ������Ʈ Last Updates
�ϱؼ��� ���� Latitude of Polaris
���� ���� Parallax of Eyes
���� ��ǥ�� Equator Coordinate System
���� ��ǥ�� Horizontal Coordinate System
���� ���� Stellar Parallax
���� ������ DC Motor
�Ľ�Į�� ���� Pascals Principle
���� ǥ���� Area of Lung
�����۵��� ���� ���� Rutherford Scattering
�����۵��� ���� ������ ���� �� �������� ũ�� Rutherford Scattering & Size of Nucleus
������ Capacitor
�µ��� ���� �ӵ� Temperature and Reaction Rate
õ���� ������ Ȳ�� Celestial Equator and the Ecliptic
�̽��� ������ ���� Dew
��ȭ ���� ���� Neutralization Reaction Model 2
���� �ڲ� ���� �����Ϳ�. Why does the moon seem to follow me?
������ Electric Potential 2
��ȭ ���� ���� Neutralization Reaction Model
���ڼ��� ����(�������� ����) Evidence of Particulate Theory
���� ���� ���� ������ Stratum Making
�ﰢ���� �簢�� Triangle and Tetragon
���ǻ���Ŭ���̵� Epicycloid
����������Ŭ���̵� Hypocycloid
LCD �����÷��� LCD Display
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How to use
���콺�� Ŭ�� click�ϰų�, �հ������� ������ ��ġ Touch�ϸ� �۵��˴ϴ�.
���콺�� �巡�� drag�ϰų�, �հ������� ȭ���� �ѹ� ��ġ�� �� �ٽ� �������� �۵��˴ϴ�.
History
�ڹٽ������� 1996�� �ڹ� ���ø�(Java Applet)�� �̿��Ͽ� ó������ ���۵Ǿ����ϴ�.
2�Ⱓ �������� ���������� ���� 1998�� �������� ���� �����Ͽ�����, 2014������ �� 511���� ���� ���� �ùķ��̼��� ���ø� ���·� �����Ͽ����ϴ�.
�ֱ� ���ͳ� ȯ���� ��ȭ�ϸ鼭 ���ø��� �������� �ʴ� ������������ �þ�� ������ �����鿡 ���� ������ �ʿ��������ϴ�.
���� 2015������ ���ø� ������ �ùķ��̼� ������ �ߴ��ϰ� HTML5 ������ �ڹٽ�ũ��Ʈ ��� �̿��Ͽ� �ٽ� ���� �����Ͽ����ϴ�.
�ڹ� ���ø� ������ �̿��� ���� ����Ʈ��
http://javalab.org/lee.old/
(�̵��� ������ Java������)�� ���� �ٶ��ϴ�.
<% End If %> <% If Request("sec") = "all" Or 0 < (InStr(LCase(Request("sec")), "physics") + InStr(LCase(Request("sec")), "mechanics")) Then %>
���� � Mechanics
�Ÿ��� ���� Distance and Displacement
���� �շ�(���� �ռ�) Addition of Force
���� �շ�(���� �ռ�) Addition of Force 2
�߷��� ������ ���� Range and Intensity of the Gravity
���� �༺�� �߷� ���� Gravity Difference on Several Planet
���� ��ȣ�ۿ�(������� Ʈ������) Interaction Force
���� Inertia
�ӵ��� �ð����ϰ� Velocity and Time Recorder
���� � Constant Velocity
��� � Uniformly Accelerated Motion
�ΰ������� ����(���ɷ�) Principle of Satellite(Centripetal Force)
���� ����� ���� Condition of Circular Movement
���ܼӷ�(���� ���� �� �ӷ�) Terminal Velocity
�浹 Collision
����(��) Impulse
�ѷ��ڽ����� ������ ������ ���� Conservation of Mechanical Energy in Rollercoaster
���� ���������� Pulley with One String
������ ���������� Pulley with Many String
� �������� ���� �Ÿ� Kinetic Energy and Stopping Distance
3ü ���� 3 Body Problem(Approximate Simulation)
�������� �ֱ� Period of Pendulum
������ ���� Newton`s Cradle
��������(����Ƽ ���ý�Ʈ, ���� ȿ��) Swingby(Gravity Assist)
��������(����Ƽ ���ý�Ʈ, ���� ȿ��) Swingby(Gravity Assist) 2
��������(���� ��� ����) Swingby(Conservation of momentum in bouncing ball)
�Ƹ�Ű������ ���� Archimedes Principle(Buoyancy)
�Ƹ�Ű������ ���� Archimedes Principle(Buoyancy) 2
<% End If %> <% If Request("sec") = "all" Or 0 < (InStr(LCase(Request("sec")), "physics") + InStr(LCase(Request("sec")), "electricity")) Then %>
������ �ڱ� Electricity & Magnetism
������ Static Electricity
������ ���� Electrostatic Induction
������ ���� Electrostatic Induction 2
������ Electroscope
���� ��ü ǥ���� ���� ���� Charge Distribution on a thin Conductive Plate
���� Electric Current
���� ��Ģ Ohm`s Law
������ Electric Potential
������ Electric Potential 2
�������� ���� Electric Potential
���� ������ ���� ���ῡ���� ������ Electric Potential in Serial and Parallel Circuit
������������ ���캻 ���� ���ῡ���� ���� ���� Voltage Dividing in Audio Volume
������ ���� DC and AC
Ʈ�������� Transistor
Ʈ�������� Transistor 2
�����ڼ� ������ �ڱ��� Magnetic Field around a Bar Magnet
�����ڼ��� �ڱ��� Magnetic Field of a Bar Magnet
��ȭ Magnetization
�ڱ��� Magnetic Force
�˷��̴� ������ ö ���� �и��ϱ� Separation of Steel and Aluminum
���� ������ �ڱ��� Magnetic Field around a Wire
���� ���� ������ �ڱ��� Magnetic Field around a Circular Wire
���� ������ �ڱ��� Magnetic Field around a Coil
��� �� Lorentzs Force
���� ������ DC Motor
����Ŀ Speaker
�з������� ���ڱ� ���� ��Ģ Faraday`s Law of Electromagnetic Induction
�з������� ���ڱ� ���� ��Ģ Faraday`s Law of Electromagnetic Induction 2
������ Capacitor
������ ���� ����ü Dielectric in Capacitor
�δ���(����)�� Ŀ�н���(������) Properties of Inductor(Coil) and Capacitor
�δ���(����)�� Ŀ�н���(������) Properties of Inductor(Coil) and Capacitor 2
�δ���(����)�� Ŀ�н���(������) Properties of Inductor(Coil) and Capacitor 3
<% End If %> <% If Request("sec") = "all" Or 0 < (InStr(LCase(Request("sec")), "physics") + InStr(LCase(Request("sec")), "light")) Then %>
�� Light
���� ���ٴ� �� Seeing the Light
�ſ� Mirror
���ݻ� Diffuse Reflection
���ݻ� Diffuse Reflection 2
���� ���� Light Refraction
���� ���� Light Refraction 2
���ݻ��� ������ Total Internal Reflection and Optical Fiber
���� ������ ���� ���� Convex Lens and Concave Lens
���� �ſ��� ���� �ſ� Convex Mirror and Concave Mirror
�ٽ�, ������ ���� Correction of Near-sightedness and Far-sightedness
���� ������ Three Primary Colors
�������� ������ Colored Light and Colored Paper
LCD �����÷��� LCD Display
�������� ��ġ Rainbow Formation
������(����Ʈ��) Rainbow Colors(Spectrum)
���ñ��� �ֺ��� ���ڱ��� Electromagnetic Waves around of Visible Rays
<% End If %> <% If Request("sec") = "all" Or 0 < (InStr(LCase(Request("sec")), "physics") + InStr(LCase(Request("sec")), "wave")) Then %>
�ĵ� Wave
�ĵ��� ���� Wave Propagation
������ Water Waves
�Ҹ������� ������ �� Tuning Fork and Sound Wave
�ſ��� ���� Principle of Mirror
���� ���� ���� Young`s Double Slit
���� ���� ���� ���� Thin Film Interference(Rainbow Colors in Soapy Bubble)
������ �ռ� Standing Wave Synthesis
�پ��� ��Ȳ������ ������ Standing Waves in various situations
���DZ��� ������ Standing Waves on a String
���� ��� ���� ������ Standing Waves on a Drum Surface
ȭ�� Chord
<% End If %> <% If Request("sec") = "all" Or 0 < (InStr(LCase(Request("sec")), "physics") + InStr(LCase(Request("sec")), "atoms")) Then %>
���ڿ� ���빰�� Atoms & Modern Physics
������ ũ�� Scale of Atom
������ ���� Structure of an Atom
�����۵��� ���� ���� Rutherford Scattering
�����۵��� ���� ������ ���� �� �������� ũ�� Rutherford Scattering & Size of Nucleus
������ ���� ���� Bohr`s Atomic Model
���� ���ҵ��� �Ҳ� ���� Flame Test
���� ������ ����Ʈ�� Spectrum of Hydrogen Atom
�����Ŀ� ���������� ���� ���� Matter Wave and de Broglie`s Atomic Model
������ �� ������ ���� Absorption and Emission of Light
�ϴ��� �Ķ� ���� Why is the Sky Blue
��Į�� �ݼӰ� ��Į�� ���ݼ� Alkali metal and Alkaline earth metal
�ٺп� ���� ���� Nuclear Chain Reaction
���缺 ������ �ݰ��� Half Life Period of a Radioactive Substance
������ ���� Energy Band
����ȿ�� Photoelectric Effect
����ȿ�� Photoelectric Effect 2
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���� ��� ������ Molecular Movement and Thermodynamics
������ȯ Countercurrent Exchange
��ü ���� � ���� Kinetic Model of Gases
���� ��Ȳ������ ��ü ������ ��� �� ���� Movement of Gas Molecules and their Volume in Various Condition
������ � Brownian Motion
�ƺ��������� ��Ģ Avogadro`s Law
������ ���� Principal of Straw
������ ��Ģ(��ü�� �з°� ���� ����) Boyle`s Law
������ J�ڰ� ����(�����ֿ� ������ ����) Boyles J Tube(the Relation of Mercury Column to Atmospheric Pressure)
�κ� �з��� ��Ģ Law of Partial Pressure
���� ���� � Heat and Motion of Molecules
�µ��� ���� �ӵ� Temperature and Reaction Rate
������ ����(��ü, ��ü, ��ü) Status(Solid, Liquid, Gas)
���� ���� ��ȭ(�������� ����������) Status Change of Water(from Ice to Steam)
������ Three Phase Equilibrium
���� Specific Heat
���뷮 Heat Capacity
������ ��Ģ(��ü�� �µ��� ���� ����) Charle`s Law
������ ��Ģ ���� Graph of Charle`s Law
�µ��� Thermometer
���� ���� Conduction
���� ���� Convection
���̸�Ż Bimetal
������ ���� ���� Equilibrium of Radiation
���� ���� Dissolution Process
������ ���� �з� ���� Vapor Pressure Lowering
PV ���̾��� Pressure Volume Diagram
ī���� ���� Carnot Engines
���ָ� ������ ���� ��ȯ ���� Otto Cycle at Gasoline Engines
���������� ���� - Bernoulli`s Principle
�Ľ�Į�� ���� Pascals Principle
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ȭ�� ���� Chemical Reactions
���ʿ��� �Ͼ�� ȭ�� ��ȭ Chemical Change of Candle
���ڽ� Molecular Formula
��ü ������ ��Ģ(�������� �ռ�) Stoichiometry with Water(Steam) Synthesis
��ü ������ ��Ģ(�ϸ��Ͼ��� �ռ�) Stoichiometry with Ammonia Synthesis
���� ���к��� ��Ģ Law of Definite Proportions
���� ���к��� ��Ģ Law of Definite Proportions 2
��ȭ ���� ���� Neutralization Reaction Model
��ȭ ���� ���� Neutralization Reaction Model 2
������ ���� �ӵ� Reaction Rate of Solution
���� ���� ���ϱ� Determination of Stability Constants in Equilibrium Condition
�� ��Ʋ������ ��Ģ(�� ȭ�� ���� �̵�) Le Chateliers Principle
�� ��Ʋ������ ����(�з°� ȭ�� ���� �̵�) Le Chateliers Principle
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���ڿ� ȭ�� ���� Molecules and Chemical Bonds
���ڼ��� ����(�������� ����) Evidence of Particulate Theory
���� ��ü ������ ���� ���� Covalent Bond of Hydrogen Gas
�� ������ ���� ���� Covalent Bond of Water
��ȭ��Ʈ���� �̿� ���� Ionic Bond of NaCl
�̿� ���� ������ Ionic Bond
�̿� ��ȯ ���� Ion Exchange Resin
�ݼ��� ������ Activity Series of Metals
���� �� ���ڰ� ������ �������� Polarity of Water
ǥ������ Surface Tension
�ؼ� ���ڿ� ���ؼ� ���� Polar Molecule and Nonpolar Molecule
�ݼ��� ���� �ٴ� ���� Electron Sea Model for Metallic Bonding
�ݼ��� ������ ���� Ductile and Malleable Properties of Pure Metal
������ ���� ����(���� VR��) Structure of Ice(for Google VR)
���ڷ� ������ Molecular Weight Calculator
������(������) Ester
÷�� ���� Addition Polymerization
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����ȭ�� Electrochemistry
��Ÿ ���� Voltaic Cell
�ٴϿ� ���� Daniel Cell
ǥ�� ȯ�� ���� Standard Reduction Potentials
���� ���� Electric Plating
���� ���� ���� Electrolysis of Water
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�������� Biology
���̰� Microscope
������ �� ������? Why Are Cells Small?
���� ǥ���� Area of Lung
���� ���� Osmosis
�ƹڼ� ������ �ʽð� Stopwatch for Pulse Measurement
������ ������ ���� Human Gene Transfer
�������� �������� Asexual Reproduction and Sexual Reproduction
���°� Ecosystem
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������ Geology
�������� ������ ��Ģ Seismometer and Inertia
������ Seismic Wave
���� ���� ���� ������ Stratum Making
����� Epeirogeny
�ֻ������� ���� Formation Model of Columnar Joint
<% End If %> <% If Request("sec") = "all" Or 0 < (InStr(LCase(Request("sec")), "earthscience") + InStr(LCase(Request("sec")), "meteorology")) Then %>
������ Meteorology
������ Atmospheric Pressure
�̽��� ������ ���� Dew
��ȭ �����ⷮ � Graph of Saturated Vapor
��ȭ �����ⷮ � Graph of Saturated Vapor 2
�����а� ������ High Atmospheric Pressure and Low Atmospheric Pressure
������(�ڸ��ø� ȿ��) Coriolis Effect
<% End If %> <% If Request("sec") = "all" Or 0 < (InStr(LCase(Request("sec")), "earthscience") + InStr(LCase(Request("sec")), "astrology")) Then %>
õ���� �Ϲ� Astrology
���� ��ǥ�� Horizontal Coordinate System
���� ��ǥ�� Equator Coordinate System
���������� ���� ������ Galilean Telescope
���÷��� ���� ������ Keplerian Telescope
���� �ݻ� ������ Newtonian Reflector
õ������ ������ the Geocentric Theory and the Copernican Theory
õü���� ���� � Diurnal Motion
���� �ϴ��� ���� � Diurnal Motion of North Sky
���ڸ� Constellations
���ڸ��� Star Wheel
���� ���� Stellar Classification
Ȳ�� 12�� Zodiac
Ȳ�� 12�� Zodiac 2
���� ���� Parallax of Eyes
���� ���� Stellar Parallax
���� ����(���� VR��) Stellar Parallax(for Google VR)
1 �ļ��� �Ÿ� Distance of 1 pc
���÷� ȿ���� ���� ���� Doppler Effect and RedShift
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������ �� Earth and Moon
�ϱؼ��� ���� Latitude of Polaris
������ �� Parallel Rays of Sun (�����佺�׳��� ����)
������ ũ�� ���� Measuring the Earth
õ���� ������ Ȳ�� Celestial Equator and the Ecliptic
���� �ڲ� ���� �����Ϳ�. Why does the moon seem to follow me?
���� ���� 50�� �� �ʰ� �ߴ� ���� Diurnal Motion of the Moon
���� ���� Phase of the Moon
���� ���� Phase of the Moon 2
������(�Ͻİ� ����) Eclipse
������ Tidal Force
���� ��� ���� Tides
�¾��� ���ֿ Diurnal Motion of Sun
�� �ΰ������� �˵� Path of Satellite
���� ������ ���� ��ȭ Earth's Revolution and Seasons
������ ���� ���� �˵� Real Orbit of Earth and Moon
<% End If %> <% If Request("sec") = "all" Or 0 < (InStr(LCase(Request("sec")), "earthscience") + InStr(LCase(Request("sec")), "solar")) Then %>
�¾��� Solar System
�¾����� �Ը� Scale of the Solar System
�¾����� �Ը� Scale of the Solar System 2
���༺�� �ִ��̰� Maximum Elongation of Inner Planets
�ݼ��� �ÿ Apparent Motion of Venus
ȭ���� �ÿ Apparent Motion of Mars
���÷��� 1, 2 ��Ģ Kepler`s 1, 2 law
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���� Mathematics
�ﰢ���� �簢�� Triangle and Tetragon
�ɸ����� �Ļ緮 Gulliver`s Nutrition
���� ���� ���ϱ� Area of Circle
������ ī���� Binary Counting
������ Radians
�ﰢ �Լ� Trigonometric functions
���ǻ���Ŭ���̵� Epicycloid
����������Ŭ���̵� Hypocycloid
Ÿ�� Ellipse
������ ���ø� Digital Sampling
�Ľ�Į�� �ﰢ�� Pascal`s Triangle
��Ÿ�������� ���� Pythagorean Theorem
��Ÿ�������� ���� Pythagorean Theorem 2
��Ÿ�������� ���� Pythagoras Tree
�ܰ��� �� Sum of Exterior Angle
���Ժ���(��������) Normal Distribution
Ǫ���� �м� Fourier Analysis
�̺� Differentiation
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������ Fractal, �˰����� Algorithm
���� ������ ���� ������ Ant Nanny`s Larva Collecting
���� ���� Life Game
C � C Curve
�巡�� Ŀ�� Dragon Curve
Hilbert � Hilbert Curve
���� � Koch Curve
�ÿ����ɽ�Ű � Sierpinski Curve
�������� ���� Mandelbrot Set
�ﰢ�� Ʈ�� Triangle Trick
�ϳ��� Ÿ�� Hanoi Tower
��Ʈ�� ��Ʈ String Art
�η��� ��Ʈ���� Lorenz Attractor
����� �������� Lorenz`s Water Mill
<% End If %> <% If Request("sec") = "all" Or 0 < (InStr(LCase(Request("sec")), "etc") + InStr(LCase(Request("sec")), "games")) Then %>
���� ���� Science Games
�������� ������ Boat Puzzle: Missionaries and Cannibals
���ݱ� ���� Stone Picking Puzzle
���ݱ� ���� Stone Picking Puzzle 2
���ϰ� ������ ��Ģ Rocket and Principle of Inertia
Ŭ���� ���� Clay Shooting
���ݱ��� ������ � Bomber and Projectile Motion
<% End If %> <% If Request("sec") = "all" Or 0 < (InStr(LCase(Request("sec")), "etc") + InStr(LCase(Request("sec")), "misc")) Then %>
��Ÿ Misc
�ð� a Clock
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