A file extension tells software what format to expect. Actually converting the file requires rewriting its data into the new format.

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Cuban meteorologists correctly predicted the storm would threaten Texas. U.S. officials disagreed. Technology was limited, but human decisions made the consequences far worse.

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👇 Read Part 23:

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But cryptography can't tolerate predictable “randomness,” so computers gather entropy from the messy physical world.
Sometimes even from lava lamps.

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So Cleveland left the White House.
End of story?
Not quite.
We'll be seeing #22 again when we reach #24.

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👇 Read the full explanation:

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President #21: Chester A. Arthur

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49 years later, it's more than 24 billion km away.
And it's still going.

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49 years later, it's more than 24 billion km away.
And it's still going.

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#ThisDayInHistory #Space #Astronomy #NASA #Voyager #BardsDesk

Stopping to ask why was the discovery. What followed became penicillin—and helped transform modern medicine.

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