Svetlana, i am not saying they don't accomplish anything, i am just saying they are not carrying their own weight.
NASA budget is about 18billion/year
to compare Apple has about 1.3bil/year r&d costs...
Toyota about 5bln
Merck 2.5billion
GE 2.2billion..
Boeing 1.7
( these are the numbers as i remember, maybe off a bit )

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Человек, который почувствовал ветер перемен, должен построить не щит от ветра, а ветряную мельницу