Sentences with phrase «advanced civilizations before»

Not exact matches

Most of us instinctively assume that technology relentlessly marches forward, but there have been times before now in human history — after the Egyptians built the Pyramids, for instance, or after the multiple advances of the Roman Empire — when the civilizations that followed could no longer do what had been done before, and perhaps there's a complacency and arrogance in assuming that this won't happen again.

There were much more advanced civilizations (thousands of years before) with very similar stories than the nomadic tribes wandering the desert.

For this purpose I shall focus attention on civilized existence, simply acknowledging that the process described was already far advanced before the advent of civilization.

Long before the space age, humans looking at Mars thought they saw evidence for the presence of water, in the form of giant canals built by some very advanced, very thirsty civilization.

A class of odd radio bursts first detected by the Parkes telescope years ago came from an advanced civilization — if advanced means people on Earth so eager for a microwaved meal they open the oven before the beep.

KIC 8462852 or «Tabby's star» has dimmed like this several times before, prompting some researchers to suggest that the megastructures of an advanced alien civilization might be blocking its light.

For countless centuries before the invasion of Spanish adventurer and European culture, Peru was the home to an amazing number of advanced cultures and civilizations.

The ancients seemed to be more aware of this, maybe because they had evidence of civilizations just as advanced as theirs that existed far before.