Some futures that decades ago we once saw as just over the horizon—artificial intelligence, colonizing Mars—have still yet to arrive. In other cases, the future seems to have taken a sharp left turn.

Whenever a useless new gadget makes the rounds of the internet, there’s this phrase that pops up: We were promised jetpacks. Or, the active variation: They promised us jetpacks. Jetpacks have long ...

From the way we pay for items to the way we get from point A to point B, technology is leading businesses, industries and cities into new territory. Here, a look at some of issues and ideas experts ...