Radon is a dangerous gas. It is colorless and odorless and is always being emitted from our planet-don't worry, it's not enough to harm you.
Copyright for published works in the USA has been according to a federal copyright statute, since the first U.S. copyright statute in the year 1790. Before the Copyright Act of 1976 became effective on 1 Jan 1978, unpublished works were. protected by state law, known as common-law copyright.
As soon as a work is published, it is protected. A copyright protects an original artistic or literary work. Any work created after January 1, 1978, is automatically protected from the moment of its creation and is ordinarily given a term enduring for the authorâs life plus an additional 70 years after the authorâs death.