Regardless of whether you think a waterproof MBA is a good idea or not, I definitely think it’s possible. Ports aren’t a problem, the hinge can be easily sealed (same idea as the Digital Crown on the Apple Watch), the trackpad can be sealed up a bit to prevent damage, and…
Apple already solved the waterproof keyboard problem with the iPad Smart Keyboard. The entire keyboard is covered with a single membrane while still giving plenty of haptic feedback for touch typing. I don’t know if this membrane is actually waterproof on the iPad keyboard, but it could easily be made so if not.
Apple already solved the waterproof keyboard problem with the iPad Smart Keyboard. The entire keyboard is covered with a single membrane while still giving plenty of haptic feedback for touch typing. I don’t know if this membrane is actually waterproof on the iPad keyboard, but it could easily be made so if not.