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 Before the Copyright Act of 1976 became effective on 1 Jan 1978, unpublished works were.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.
The Copyright Act gives five exclusive rights to the creators of a work: 1  the right to reproduce (to copy) 2  the right to create derivative works (for example, a movie based on a book)  the right to sell, lease, or rent copies of the work to the public.