Where did this come from? I’d like to see the original and it’s not on their website.

Hitler was a maniac and a despicable person, but I seem to remember reading that he was vegetarian and at least liked dogs. Maybe he was an animal rights activist, provided that you didn’t consider humans animals.

If your Meshtastic device is transmitting in the ham bands (some do) encryption is illegal. Most people use Meshtastic outside the ham bands though.

No, big planes have to do this sometimes after digesting excess passengers and cargo.

Swamp coolers are a thing. I don’t know about the physics, but they can actually cool a space if the ambient humidity is low.

Using ice water in the gadget you have will improve its performance, obviously.