.ON APRIL 2ND a contraption being similar to a snow device on the deck of the USS Hornet, an obsolete aircraft-carrier tied in San Francisco Gulf, began producing a moisture of salty aerosol bits. The scientific collaboration responsible for the venture, the Marine Cloud Brightening (MCB) programme, led by the College of Washington, is actually exploring whether such aerosols might aid to reduce weather adjustment via a kind of "geoengineering". What performs this term way-- and also why is it thus questionable?