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Da Vinci code Can you crack the complex code? complex code?

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Presentation on theme: "Da Vinci code Can you crack the complex code? complex code?"— Presentation transcript:

1 Da Vinci code Can you crack the complex code? complex code?

2 Fibonacci – Magic numbers in design Golden Ratio is φ (phi) φ = 1 + = φ = ½(√5+1) = 1.62 (2dp) 1φ Every side in the pentagram is φ times another side.

3 Alpha-Numeric codes Line up your code strips and read off the letters a b c d e f g h i j k l m n o p q r s t u v w x y z a z y x w v u t s r q p o n m l k j i h g f e d c b a a b c d e f g h i j k l m n o p q r s t u v w x y z z y x w v u t s r q p o n m l k j i h g f e d c b a From the peach strip: bxpv zlab becomes easy code From the white strip: hdvb frgh becomes easy code be he a s If you have numbers, try direct substitution, a=1 e.g becomes number code x p

4 Fibonacci – Golden rectangle

5 Julius Caesar Code Your message must be an exact square number e.g. 9, 16, 25, 36, 49 etc Write down vertically, read back horizontally e.g. Fourth July Independence Day becomes: FhlecoJunneuuddDrleeatypny FhlecoJunneuuddDrleeatypny FhIec oJnne uuddD rleea typnyFourthJuly Indep enden ceDay

6 Ambigrams – rotational symmetry

7 Complex Alpha-Numeric codes Can’t break the code? Try using the letters in reverse order Try using the letters in reverse order Try combining more than 1 technique Try combining more than 1 technique Count the letters – might be Julius Caesar Count the letters – might be Julius Caesar Are all numbers between 1 & 26? Are all numbers between 1 & 26? Have they been shifted? Have they been shifted? Try a matrix method Try a matrix method123451ABCDE 2FGHIJ 3KLMNO 4PQRST 5UVWXYZ e.g becomes 1 3 C COD E O D E

8 Fibonacci – Magic numbers in nature

9 Ambigrams – rotational symmetry


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