From the past.

Some of them held up pretty well, and some of them didn’t really happen until the twenty-first century, and some haven’t panned out at all (like using electric currents to encourage plant growth, and the quiet cities). Slightly subsonic electric ships don’t seem likely to happen any time soon, and pneumatics came and went, being used only for niche applications. Still an interesting set of prognostications for the time.

[Update a few minutes later]

D’oh!

As Paul Dietz points out in comments, they’re only calling for ships that go a mile a minute. I was somehow thinking ten miles a minute (close to sonic velocity). Don’t ask why I was thinking that–I don’t know. Yes, sixty miles an hour is theoretically possible, but it’s high power consumption.