I think holding more helium in a smaller space is the opposite of what you want. The lifting force is equal to the weight of the air being displaced, so you want as little stuff as possible in as big a volume as possible.
Maybe if you went the other way round and compressed the atmosphere?
ReanuKeeves@lemm.ee 1 week ago
Your buddy has figured out that all they need to do is snip the ropes on your cylinder which will make it fly away and now you gotta ask your mom to buy you a new cylinder until your whole family is broke and homeless
rickyrigatoni@lemm.ee 1 week ago
I will simply trap him in the Time Cube.