The .Gif Friday Post No. 739 – A Five Second Tour, Off Road Surfing & A Beer Block

[Found here, somewhere in here, and here.]

Pendulum Wave – Complete Cycle

Simple Pendulum wave animation. You can see the wave go from travelling waves, to standing waves, to a (briefly) beating pulse, and then chaotic motion, and back to travelling. Perhaps its just me, but this is clearer on the real thing.

“This animation may be subject to floating-point errors.”

But it’s beautiful. | credit to Jeff Irwin

[Found here.]

The .Gif Friday Post No.255 – Quasicrystals as sums of waves in the plane

[Found here, via here. Updated with enlarged portion.]

[Update 2: Just realized that I made a typo several months ago, and The .Gif Friday Posts were mis-numbered by a factor of 100. The titles and permalinks are fixed now. Lo siento.]

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