xkcd #2829: Iceberg Efficiency ( imgs.xkcd.com )
Alt text:
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.
![](https://kbin.pithyphrase.net/media/cache/resolve/entry_thumb/ee/bf/eebf0dda6631ca765e2b8c753e368faf9b443e179328760a15ff423e0445030b.png)