There is much more to say on this subject, and there are many positive evidences for a young earth and universe not covered in this article. Excellent articles and books have been written by highly qualified scientists, including geologists, who are creationists showing scientific evidences for a young earth and universe. M.I.T. scientist Dr. Walt Brown provides considerable information on the topic at his site. Also, considerable information on the subject is provided by scientists of the Institute for Creation Research.
Here is an excellent article on the subject is Evidence for a Young World.
Another site with information on how the most reliable radiometric dating methods show the earth to be thousands and not millions or billions of years old may be accessed here.
The author, Babu G. Ranganathan, has his bachelor's degree with concentrations in theology and biology and has been recognized for his writings on religion and science in the 24th edition of Marquis "Who's Who In The East". The author's writings may be accessed at www.religionscience.com.