for my university open day there was a professor of physics who refuted every single one of the claims made by the conspiracy theorists, all with hard evidence.
use the barbell if youre just beginning, if youre experienced and coordinated alternate between them, but it all depends on the type of workout you're doing
its just something the americans have adopted, they just generalised the 44lbs to something easier to calculate, simple as that. Metric system is dominant.
what the hell are you talking about bilal, you're just like every other god damn iislamic preacher, you expect people to listen to you whilst turning a blind eye to everything else.