Title text:
Turning in other directions can be accomplished by using a magnetized centerboard and ocean currents, since a current flowing through a magnetic field induces a Laplace force.
Transcript:
Transcript will show once it’s been added to explainxkcd.com
Source: https://xkcd.com/3090/
In that case, perhaps linking to the mobile site would make sense, since it ought to work for both mobile and desktop:
https://m.xkcd.com/3090/