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• Golden ratio is represented by greek letter phi
  
• samples: golden angle, golden rectangle, fibunacci numbers,
  
• other ratios: 4/3=1,3: TV format, sqr(2)=1,414 DIN A4 format, 3/2=1,5 35mm film format, phi=1,618, 5/3=1,6 cinema format, 16/9=1,7 broad image TV format. So why did they choose a new format for broad image TV instead of taking cinema format (5/3) which is nearer to golden ratio? Because 16/9 relation is closer to human view.
• one can build aspect ratio with compass and ruler
• a pentagramm includes many golden ratio rules
• the gastropod (snails, slugs...) shell sometimes follow the folden spiral rule
• cheops pyramid is build so that the surface of each side is equal to the square of the high of the pyramid. Similar ratios are found in Parthenon temple or Akropolis
• many pictures from renaissance time are according to golden ratio (Raffael, da Vinci...)
  
• some music contains golden ratio between clock/speed or frequencies
• human body contains some golden ratio (size of arms)
  
• Other: nature, astronomy, ...
  

• soccer tournament during next weekend
• travel to Madrid and give a customer training
• travel to Africa to check project status
• my girl friend is thinking about starting a new job in Frankfurt, which is around 200km from Saarbrücken. This means to take an appartment in Frankfurt, don't live closely together as we did during last 8 years, risk/chances of new job ... many discussions.
• choose a training I will get until end of the year (probably J2EE)
• have the yearly job status discussion with my chief (whats wrong, whats right, more money?)
• maybe visit a friend in Nürnberg
• ...