| Not only children even the grown-ups are
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| | and receiver's sticks are exactly the
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| fascinated by invisible ink and like to
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| | same size. For this purpose, two pieces
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| use secret code. In this article you will
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| | of the same broomstick are ideal.
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| find how to encode the secret code.
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| | If you are the one who is sending the
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| Ciphering or encoding means making a
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| | message, wrap a strip of paper around the
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| piece of writing incomprehensible to
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| | rod so that the edges touch each other,
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| those who are not in on the secret.
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| | and fasten the ends with thumbtacks.
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| Deciphering or decoding is the reverse
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| | Then, write the message along the rod,
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| process. A code is a table of words,
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| | turning it a bit after each line. To send
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| abbreviations, numbers, or other symbols
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| | the message, simply take off the strip
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| which can be substituted for words. You
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| | and roll it up. Anyone intercepting the
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| can even combine different symbols
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| | message will rack his brains trying to
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| according to your needs.
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| | figure it out. But the intended receiver
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| Most people already know some simple
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| | merely has to wrap the strip around his
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| codes. Perhaps you're familiar with the
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| | half of the stick, and he can read the
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| code which is created by reversing the
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| | message without any trouble.
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| alphabet Z is substituted for A, Y for B,
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| | Chessboard Code
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| and so on. Or there is the code that
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| | The accompanying illustration gives a key
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| simply uses numbers instead of letters,
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| | for a code that substitutes two numbers
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| starting at any letter of the alphabet
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| | for every letter. The letter "I" has been
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| and going backward or forward.
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| | omitted because it can be confused with
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| You can make such simple codes more
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| | the number 1, and you may substitute "x"
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| difficult if you combine them. For
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| | or any other letter of your choice. First
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| example, you might replace the first and
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| | find the letter you want, then the number
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| last letters of a word by the letters
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| | in the column to the left, and finally
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| immediately following them in the
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| | the number in the row at the top. Always
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| alphabet. It is a good idea to break up
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| | write the number from the left column
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| long words into two parts when using this
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| | first. In this code, the words MEET ME AT
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| code.
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| | THE SEASHORE would read: 82656594 8265
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| We are waiting for you XF BRF XAITINH GOS
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| | 6194 947365 9365619373849265.
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| ZOV
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| | To make it harder for outsiders to break
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| In addition, you could also encode the
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| | the code, you can divide the numbers into
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| result with an alphabet of numbers.
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| | random groups. The receiver will know
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| Typewriter Code
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| | that each pair of numbers represents one
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| If you know how to touch type with all
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| | letter. In this case, a comma was placed
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| ten fingers, you can construct a code by
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| | between two words:
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| typing from a different basic position.
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| | 8 265/6594, 8 265 61-9 4 947 3-65/, 936
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| For example, instead of resting your left
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| | 5619/ 373 84 92 65. The other signs are
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| fingers on asdf and the right on jkl,
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| | there just to confuse the outsiders.
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| shift them a line up on the keyboard to
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| | Another such code uses two letters for
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| qwer and uiop. Thus, when you typewait
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| | each letter of the message. Use any
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| for usit comes out:
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| | consonants at the left; put the vowels at
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| 2q85 r94 7w.
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| | the top. Using this key, VACATION would
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| Strip Writing
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| | come out RABABIBAGORIFOFI. The same sorts
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| You do not need a key to read or write
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| | of complications to prevent interception
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| this remarkable code. All that is
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| | of the message can be used here as with
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| necessary is a rod or a stick. However,
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| | the other example.
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| you have to be careful that the sender's
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|
