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|  | Technology to the rescue | | Episode 20 - Technology to the rescue
Progress in telescopic astronomy would have come to a grinding halt in the second half of the twentieth century if it weren't for the digital revolution.
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now | Download Powerful computers have enabled a wealth of new technologies that have resulted in the construction of giant telescopes, perched on high mountaintops with monolithic or segmented mirrors as large as swimming pools. Astronomers have even devised clever ways of undoing the distorting effects of atmospheric turbulence and of combining individual telescope mirrors into virtual behemoths with unsurpassed eyesight. The optical wizardry of 21st century telescope building has ushered in a completely new era of ground-based astronomical discovery.
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|  | Related Links Hubblecast archiveSubscribe to HubblecastSubscribe to Hubblecast HDSubscribe to Hubblecast Full HDRelated links Episodes 11-20
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