> If a slinky slinks, and nobody is watching, does it matter? Man, asking all the hard questions. It reminds me of the "If a tree falls in a forest and no one

> If a slinky slinks, and nobody is watching, does it matter? Man, asking all the hard questions. It reminds me of the "If a tree falls in a forest and no one is around to hear it, does it make a sound?" question. Maybe you could live stream it though. Also note that there are juggling machines that are stable without any active control [1]. Designing a self stabilizing slinky escalator could be really hard though (if not impossible). [1] https://www.youtube.com/watch?v=kj36Z5ZIC6Q https://www.youtube.com/watch?v=kj36Z5ZIC6Q