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Attention all teachers! The United States Patent and Trademark Office, National Science Teachers Association (NSTA), NBC Learn, and the National Science Foundation (NSF) have joined forces to create a series of STEM videos with associated lesson plans.

Computer History - June 17, 1997 - Hackers Decipher Data Encryption Standard :: Hackers deciphered computer code written in the Data Encryption Standard, which had been designed to be an impenetrable encryption software. A group of users organized over the Internet cracked the software -- the strongest legally exportable encryption software in the United States -- after five months of work. |