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 Before the Copyright Act of 1976 became effective on 1 Jan 1978, unpublished works were.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.
A copyright protects the creator of a literary or artistic work from theft of the material by someone else. Copyright infringement is the unauthorized use of copyrighted material, or its distribution to the public without the creatorâs permission.o action is necessary: the creator of a work legally holds its copyright, whether or not the work is registered with the U.S. Copyright Office. However, to bring a claim of copyright infringement to a civil court, and to collect any damages, the author must have the work registered.