park sang joon no one quite kn e w park sang joon I can't at all understand what the underlined phrases means. It means that they invented it but didn't have many uses for it at that time. Possible paraphrase: In fact, in the sixties and early seventies, the laser didn't have that many practical uses.
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park sang joonno one quite knew
park sang joonI can't at all understand what the underlined phrases means.It means that they invented it but didn't have many uses for it at that time.
park sang joon the laser was often described as a solution looking for a good problem.Consider the following - do you understand it?
park sang joonI'd like to know in the clause, what "looking for" means.searching for; hunting for; trying to find