The signal
The waveform on its own. Nothing around it.
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Logo studies
A signal in a tube.
Hover or focus each logo. Hold to build speed and light; move away to let it cool.
Which signal feels right?
Pick your favorite below. One vote, and you can change your mind.
The tube
A fine, quiet capsule. Just enough to suggest a vacuum tube.
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The glass
Yellow light builds to a white-hot core with an orange-red glow.
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Pass the signal.
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