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Dihydrogen monoxide (DHMO) is an obscure name for Water used in variations of a common Hoax that illustrates how ignorance of Science and one-sided analysis can lead to misplaced fears among Environmental Activist s and others. The Joke involves listing strictly negative effects of water, such as Erosion or death by Drowning , attributing them to "dihydrogen monoxide," and then asks individuals to help control the seemingly dangerous substance. The hoax was apparently created by Eric Lechner and Lars Norpchen in 1990 , revised by Craig Jackson in 1994 , and was brought to widespread public attention in 1997 , when Nathan Zohner, a 14-year-old student, gathered petitions to ban "DHMO" as the basis of his science project, titled "How Gullible Are We?" ORIGINAL WEB APPEARANCE The first Web posting by Craig Jackson read as follows:
TERMINOLOGY ]] The Water Molecule has the Chemical Formula H2O, meaning each Molecule of water is composed of two Hydrogen Atom s and one Oxygen atom. The prefix "di" means two and "mono" in "monoxide" means one. Oxide is often used to refer to oxygen in compounds. Literally, the term dihydrogen monoxide means "two hydrogen, one oxygen," consistent with its molecular formula. The term "monoxide," despite its systematic origin, may also have negative connotations due to its association with highly Toxic Carbon Monoxide . Water can also be seen as an aqueous solution of Hydroxide (OH−), H2O, and Hydronium (H3O+), due to the hydrogen atoms Constantly Changing their Bond s. This makes water both an Acid and a Base and thus an excellent Solvent . Water has a regular scientific or Systematic Name of hydrogen oxide, as well as an Alkali name of '''hydrogen hydroxide''' and several acid names such as '''hydroxic acid''', '''hydroxylic acid''', and '''hydroxilic acid'''. Incidentally, the term "hydroxyl acid" used in the original hoax is slightly incorrect, as it does not follow Convention . In day-to-day practice, of course, chemists refer to it simply as water, unless they name a specific type, such as Distilled Water , Deionized Water , or Heavy Water . PUBLIC EFFORTS 'AGAINST' DHMO
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