Science / Chemistry / Ion: An atom or molecule that has acquired a charge by either gaining or losing electrons. An atom or molecule with missing electrons has a net positive charge and is called a cation; one with extra electrons has a net negative charge and is called an anion.
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Technology / Email / Suppression List: A list of email addresses kept by a single organization that should not be mailed to any longer. Usually owners of the addresses on the list have specifically requested inclusion. Required by CAN-SPAM MORE
Technology / Email / Dictionary Attack: A type of spam program that bombards a mail server with millions of alphabetically generated email addresses in the hope that some addresses will be guessed correctly. MORE
Technology / Email / Relationship Email: An email message that refers to a commercial action -- a purchase, complaint or customer-support request -- based on a business relationship between the sender and recipient. Generally are not covered MORE
Technology / Email / Co-Registration: Arrangement in which companies collecting registration information from users (email sign-up forms, shopping checkout process, etc.) include a separate box for users to check if they would also like t MORE
Technology / Email / Personalization: A targeting method in which an email message appears to have been created only for a single recipient. Personalization techniques include adding the recipient's name in the subject line or message bod MORE
Health / Tai Chi / Han Xiong (Haam Hung): Literally: 'containment of the chest.' The natural concavity of the chest that accompanies proper taiji posture and abdominal breathing. In Han Xiong, the chest is in a Yin state. It is the complement MORE