Theory of Elasticity

Hi ... buddies... i like to know more about the android apps development..... which languages should i be focussed on to develop android apps ???? could u suggest me some...

i am working on seminar "pistonless pump".if any one have any information let me know.

Question: Why don't we use diesel engine in motorbikes? Is there a problem with the design or it's that the diesel engines are too powerful for motorcycles?

hey guys... i wuld lyk to tell u about the golden ratio... most of u all will be already familiar with it.. most of u all wuld hav read abt...

Looking for basic information on what is the efficiency of air compressor and how is it defined. Any help would be appreciated. Thanks in advance.