Title 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. Origin:https://xkcd.com/2829/ https://www.explainxkcd.com/wiki/index.php/2829:_Iceberg_Efficiency 冰山的效率 我们在测的充氦的气凝胶冰山能达到真正100%效率，几乎不接触水面，甚至能起飞去追那些开溜的远洋客轮。 https://xkc… Read…