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VOICE ONE: This is Mary Tillotson. VOICE TWO: And this is Steve Ember with the VOA Special English program EXPLORATIONS. Today we visit a small museum in the state of Maryland. It is called the National Cryptologic Museum. It is filled with informat
EXPLORATIONS - September 18, 2002: National Cryptologic Museum By Paul Thompson German Nazi, American and Japanese coding machines. (Photo - Ed Bunyan) VOICE ONE: This is Mary Tillotson. VOICE TWO: An
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A Visit to Americas National Cryptologic Museum From VOA Learning English, this is EXPLORATIONS in Special English. Im Jeri Watson. 这里是美国之音慢速英语探索发现频道。我是Jeri Watson。 And Im Jim Tedder. Today we visit a small m
Renee Montagne: Hundreds of thousands of Americans have back surgery every year at a much higher rate than any other country. Whether there are too many back surgeries is a hotly debated subject in orthopedist , NPR's Joanne Silberner examines the q
By Michael Bowman White House 03 August 2007 President Bush is urging Congress to update the law governing U.S. intelligence services when they eavesdrop on suspected terrorists. VOA's Michael Bowman reports from the White House. President Bush has