I’m on a cruise ship in the Caribbean, and it’s almost showtime. I take a seat. Not in a lounge or theatre but on deck, where the action is about to unfold. And by action, I mean sails.

By Seth Kugel Last summer, I booked a five-day sailing trip with Tall Ship Experience, a company based in Spain. For 1,350 euros, or $1,450, I would be a volunteer on the crew of the Atlantis ...

Earlier this month, I was changing lanes on Bay Area highways with just the push of a turn signal in a Cadillac Escalade with the latest version of Super Cruise. I didn't have to check my blind ...