Tag Archives: Marcelo Gleiser

Positivism, History, and Optimism: NPR’s 13.7 on the Endurance of Scientific Knowledge

“Religious repression and wars pass, but scientific knowledge remains.”

So goes theoretical physicist Marcelo Gleiser’s argument in a recent opinion piece on NPR’s 13.7 Cosmos & Culture blog. To which I thought:

Not necessarily.

Knowledge can be suppressed, corrupted, or simply lost. In one of the latter (lesser?) books of Isaac Asimov’s Foundation series, a character describes the problem of chronicling millennia of human history. In short, you can’t preserve everything. Choices are always made. Topics fall out of vogue. Those in power can produce countering knowledge, or bury unfavorable information. Even the most meticulous archivists, following the most stringent of professional standards, are guided by prevailing cultural assumptions about what is worth saving.

Later in the blog post, Gleiser writes:

“Kepler witnessed the state collapsing around him, and felt helpless. He couldn’t pick up a sword to fight, for he was a hero of ideas and not of bloody battles. Instead, he looked up. And so did Galileo. And what they saw, and their diligence in pursuing the truth, changed the world forever.”

How can one make such an eternal claim? For someone who lauds the scientific method and the “objective” power of observation so heartily, this is quite the leap of faith.

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