I haven’t actually found anything that doesn’t work on Firefox on my personal computer. At work we also use Firefox, and some things don’t work on it, but some things don’t work on chrome or edge either, it’s a hodge poge.

Looks like they hovered for 1000 seconds. It was previously stress limited such that the joints would break after just a few seconds. I think they might still be tethered for a power source, I haven’t seen any of these micro flapping bots include a battery yet, and they didn’t mention that they did.

https://www.science.org/doi/10.1126/scirobotics.adp4256

The original claims of energy efficiency came from mixing up the energy usage of their much smaller model with their big model I think.

Tesla I’m sure will do fine. I’m not sure about the others who don’t have an in at the white house.