Some newspaper commentators have claimed it is difficult for Alba to show it is doing this, as normal viewing figures are not available for the station.

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At 220 pixels-per-inch, the Retina display's pixel density is so high the human eye cannot distinguish individual pixels from a normal viewing distance, so text and graphics look incredibly sharp.

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This widespread divided attention, the new normal for TV viewing, is so significant that it almost makes you wonder which screen is the first and which is the second.

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In addition to viewing the sun's luminous outer atmosphere (corona), which under normal circumstances is lost in the glare of the rays, they will be using the eclipse to calculate the star's current diameter, which changes as the sun expends energy.

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