As the balloon is completely gone in the video as the capsule descents, implying detachment, probably not. Compressing the Helium instead of venting it would r

As the balloon is completely gone in the video as the capsule descents, implying detachment, probably not. Compressing the Helium instead of venting it would require extreme amounts of energy, right? Could that even work, in theory? A Space-U-Boat? :D This CNBC article[1] touches on it a bit too, especially (scarce) Helium Vs (dangerous) Hydrogen. [1] https://www.cnbc.com/2022/05/13/space-tourism-firms-plan-to-use-balloons-to-go-to-space-in-2024.html https://www.cnbc.com/2022/05/13/space-tourism-firms-plan-to-...