Iceberg Efficiency

Our experimental aerogel iceberg with helium pockets manages true 100% efficiency, barely touching the water, and it can even lift off of the surface and fly to more efficiently pursue fleeing hubristic liners.

Permanent link to this comic: https://xkcd.com/2829/
Image URL (for hotlinking/embedding): https://imgs.xkcd.com/comics/iceberg_efficiency.png