Crossword-Puzzles.co.uk offers a variety of crossword puzzles
Title
Crossword Puzzles
Description
The Science of Secrecy from Ancient Egypt to Quantum Cryptography
Simon Singh has not only written a fascinating book, he has done it in a way that will engage even those readers who imagine themselves not even mildly interested in the subject. Codemaking and codebreaking have changed the course of history. But perhaps the most remarkable aspect of this book is the fact that it's all true. Read more about "The Code Book".
Tangrams: Timeless puzzles for everyone
Sounds simple enough. Just arrange the seven geometric shapes (Tans) so that they form a given design. And, indeed, some of these puzzles are very simple to solve. However, other shapes can be frustratingly elusive. That's why these puzzles have such a broad appeal and are accessible to young children as well as adults. Try these mind-stretching tangram puzzles now...
A 2000 Year-old Puzzle
A photo shows the Antikythera Mechanism (R), a mysterious bronze device recovered from a Roman-era shipwreck located in 1900, and its x-ray made by a Greek-British team of scientists at the Athens National Archaeological Museum.
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