Marble perpetual motion machine - GIF

[Frank S]

Whew, for a minute there I thought the First Law of Thermodynamics had finally been breached!
/s

No over unity is still safe for now, but I'm still waiting for people to finally figure out that all this hype about being able to fully charge an EV battery in minutes instead of hours is mostly hype, and is going to eventually cause brownouts in the already over taxed grid.