[fergie]

Articles about airship dreambuilding have been a mainstay of HN and Reddit since the early days. The tech has always been super inspiring, yet "just around the corner". It would be almost sad to see them actually become a reality.

[hi-v-rocknroll]

Unrealized futurism predating both in magazine form was Popular Mechanics and Popular Science hype of Moller skycars as the original goat, and virtual reality being a close second.

[adolph]

Jet packs seem to be getting actually closer, maybe perpetually 5 years off instead of perpetually 10 years away.