Attempting to open sealed age-old books and documents without damaging them is difficult. Now scientists in Switzerland have perfected an X-Ray technique to read the fragile records without even touching them. VOA’s Deborah Block explains how.
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Attempting to open sealed age-old books and documents without damaging them is difficult. Now scientists in Switzerland have perfected an X-Ray technique to read the fragile records without even touching them. VOA’s Deborah Block explains how.
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