Encyclopedia > Century 21 Exposition

Article Content

Century 21 Exposition

The Century 21 Exposition is a World's fair that saw the erection of Seattle, Washington's Space Needle and Alweg Monorail. The United States Pavilion on the site, called Seattle Center[?], is now the Pacific Science Center. The Experience Music Project occupies part of the original site.

All Wikipedia text is available under the terms of the GNU Free Documentation License

Search Encyclopedia

Search over one million articles, find something about almost anything!

Featured Article

Quadratic formula

... that does not depend on x) to the expression to the left of "=", that will make it a perfect square trinomial of the form x2 + 2xy + y2. Since "2xy" in this case is ...