O. W. Richardson, of Princeton, in NATURE of May 23, in which he adduces arguments against an ether flow along magnetic lines of force, and in favour of a flow in the direction of the Poynting ...

Compared with linear polymers, dendritic macromolecules are more amorphous, and are usually soluble in organic solvents because of their branched structures. Dendritic macromolecules can be ...