Saturday, March 5, 2011


     Brainstorming is one of best and easiest technique for idea is a group ideation  technique and it can be applied to any situation where quick and collaborative problem solving is required.In typical   Group consist : leader plus 5-15 members from diverse fields. 
           Leader: first outlines the problem, invites ideas from members. (S)he never leads in the expression of ideas. (S)he sees that the rules are observed and a free and easy atmosphere prevails 
            Procedure: The ideas are displayed, listed and passed on to members for further suggestions, if any. Then they are submitted for evaluation to another group of experts. The whole session up to 45 minutes
           Rules to be observed during the session:
         Members must shed their inhibitions: avoid rejecting ideas as absurd, stupid, embarrassing or false
         Members must not criticize ideas generated (killer phrases forbidden)
         Members encouraged to freely change, develop further or combine other ideas
         All ideas to be recorded and displayed, and practicality of ideas is ignored
         The wilder the idea, the better it is (easier to tone down wilder ideas than to improve mediocre ideas)
                   A case study 

                  problem statement- To separate spoiled egg and good egg from mixes
                                                  quickly & automatically

         We separate them by colour. A colour meter ought to be practical
         Emissivity or reflectivity – green one ought to have a higher reflectivity
         Hardness. We squeeze them – easy – or poke them
         Electrical conductivity
         Electrical resistance
         Size. Won’t the spoiled ones be smaller?
         Weight. The good ones will be heavier
         Size and weight together ought to correlate
         Size and weight is density
         Specific volume They must be mostly water –
         and have the specific volume of water
         Do they float or sink?
         May be that’s it – separate them by density –
         by whether they float or sink in water
         Would not have to be water – could be anything
         Non toxic
         X-Ray – , or something like that
         Odour, smell
         Sound – can you hear a tomato?
             Can egg hear?
             Heat – infrared radiation
             Thermal conductivity
             Specific heat
             Ability of a juggler to juggle them
             Just let a woman look at them – push a   button
             Statistically – check only every other one
             Just shake  – spoiled ones makes noise
             Blow air through as you shake
             Use random numbers – let 3’s and 7’s be spoiled egg

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