A Modern Application.

Now we have new problems, this nervous world of ours. Wanted—a potent charm of science to conceal our country, in the event of war, from prowling enemy cruisers and their winged bombers. The kind of friendly fog required is one that could be turned on by pressing a button at military headquarters here, and called off at will, also a magnetic variety of huna that would bedevil the compass and the whole box of navigating tricks so that never a sign of New Zealand would the enemy see. That would, of course, in its turn create another problem, how to confine its effects to enemy craft, maritime or aerial.