Yes, in theory you can make a balloon with nothing in it that will magically fly. These people have not achieved it because it’s impossible to do in the real w

Yes, in theory you can make a balloon with nothing in it that will magically fly. These people have not achieved it because it’s impossible to do in the real world. You need a material with almost no weight and infinite strength. And after all that, the meme balloon only has slightly more lift then hydrogen. Could have just made a hydrogen balloon.