If you watch the whole video, it ends with Mathias asking for help understanding why a straight tube would also lift when sucking air in. There's a short compan

If you watch the whole video, it ends with Mathias asking for help understanding why a straight tube would also lift when sucking air in. There's a short companion video that provides the answer: https://www.youtube.com/watch?v=z3scTRJCm7w https://www.youtube.com/watch?v=z3scTRJCm7w