The longtime standard for American TV was 525 lines from top to bottom of the image. As a practical matter, that was roughly equivalent to 350 thousand pixels – pretty crude, given that photos made with your iPhone boast five million pixels – Seth Shostak

The longtime standard for American TV was 525 lines from top to bottom of the image. As a practical matter, that was roughly equivalent to 350 thousand pixels - pretty crude, given that photos made with your iPhone boast five million pixels - Seth Shostak
The longtime standard for American TV was 525 lines from top to bottom of the image. As a practical matter, that was roughly equivalent to 350 thousand pixels – pretty crude, given that photos made with your iPhone boast five million pixels – Seth Shostak

The longtime standard for American TV was 525 lines from top to bottom of the image. As a practical matter, that was roughly equivalent to 350 thousand pixels – pretty crude, given that photos made with your iPhone boast five million pixels – Seth Shostak

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