Fluid Streamlines
Adjust the flow speed and watch streamlines curve around the obstacle.
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Complex Number PlaneMultiply two complex numbers and see how their magnitudes multiply and angles add on the plane.
Light RefractionAdjust the angle and refractive indices to see how light bends passing between two materials.
Friction on an InclineAdjust the incline angle and friction coefficient to see whether a block slides.
3D RotationRotate a cube around the X, Y, and Z axes and watch it project onto the 2D screen.