Could this energy density provide a good enough Wh/kg ratio for general/leisure aviation?

You most certainly are not, but for who it might concern: Never omit to protect this access with a VPN and/or even better ditch FTP and opt for secure protocols like SFTP.

Not taking a position on this, but I could see a comparison with doing an electron scan of a painting. The scan would take an insane amount of storage while the (albeit ultra high definition) picture would fit on a Blu-ray.

Same here in Quebec (but I don’t know if it’s a Canada thing), the title of engineer is reserved to folks who completed an engineering degree.

Noted! I will go burn a few tires to teach them.