A drone or a submarine?

[william]

The drone is fully custom-coded and transitions seamlessly between flying and swimming.We're entering a new era, where curious students can prototype what once took massive funding and R&D efforts.

https://twitter.com/x/status/1946856475197931567

These guys are really going to like this toy.

 

[Yingyang]

These guys are really going to like this toy.

Not a bad start. Shouldn't be to long before it is redesigned to cope with currents.