I will tell you that I have shown this to HVAC engineers with decades of experience and they agree it’s not heat.

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I cooled down my hand by holding an ice pack for a few minutes and it still turned over.

It’s interesting how the wheel turns with the shape of your hand.

I.e follows the circle from your wrist to finger tips.

If it was heat, idk why it would work after cooling my hand down. And also why it would follow the curvature of your hand.

Pretty wild

Another experiment would be to have a heat source on one side and a heat sink (cold source) on the other.

nostr:nprofile1qythwue69uhh2mtzwfjkctnvda3kzmp6xsurgwp0qyw8wumn8ghj7cn4vd4k2apwvdhhyctrd3jjuum0vd5kzmp0qqsdgq9gkh5h7l5f39md2ydcwj5edqjh7e7s4pu7v80mz63ryvlxvccl7nwyj and a couple of his collaborators did some impromptu experimentation with it in his lab a few weeks ago. They took a big clear plastic storage container and set it over top of the wheel. The container was positioned such that it overhung the countertop slightly, which allowed us to get our hand and arm inside to experiment. This was a way of controlling for ambient airflows that would be capable of impacting the device.

I've used the device with Faraday cage lined gloves on before. That was interesting.

The thing with the heat theory is that the heat theory doesn't account for the fact that sometimes the wheel will flow "out" and sometimes it will flow "in". Define outflow as the wheel's direction of motion along your hand is away from the palm/wrist/arm and inflow as the wheel's direction of motion along your hand is towards the palm/wrist/arm.

Sometimes, the same hand will give me in flow or out flow. If it was heat transfer driving the wheel, the wheel should only rotate in one direction for either hand. I thought about this by analogizing a 1 pipe, load-match heat pump HVAC system to the vascular system in the hand and fingers especially but I can't say the heat theory has any traction.

Thanks for posting this video! I was trying to find this thing online, but forgot what it was called haha. Very cool!