Their story is compelling, said Leo Braudy, author of " The Frenzy of Renown : Fame and Its History, " because our abstract knowledge of the oppression of women and suppression of religious minorities under the Taliban was made concrete by their imprisonment.
12.
To know about gravity in an abstract sense isn't necessary to survive unless you have a very peculiar society that rewards such abstract knowledge ( which humans have only really had for a few hundred years out of our long existence as a species ).
13.
They thus formed a natural bridge across the science-technology divide, where the " abstract knowledge " of chemistry and Newtonian mechanics could become the " useful knowledge " of technological development, the results of which could in turn feed back into the wider scientific knowledge-base, creating a " chain-reaction of innovation ".
