>>12074167That only makes sense if the air inside would somehow be less dense
>>12074159probably just a trick of the mind. The only thing you changed was the density of the object you're holding, not its mass. The brain probably then corrects for this by thinking that the smaller object of the same mass is heavier. Kind of like how "a pound of iron vs a pound of feathers" may trick you the first time you hear it as a kid.
