How the atomic bomb is done?

The knowledge of making atomic bomb can not be told or explained publicly, Unless it's a government organization or a defense academy or some reputed institution. The intention of learning must satisfy to the publisher. Thi precaution is taken from the safty of the public poiint of view. The knowledge of this sort if handled by ill heaarted or terrorists can damage the peace in the world. You can't get the information on this topic legally.