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Ben Krasnow on X: "Here's a comparison of CD, DVD, and Blu-ray discs in a scanning electron microscope. Same scale for each. @scanlime http://t.co/oKmfJzxI9H" / X
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Amazon.co.jp: External Blu Ray DVD Drive 3D,USB 3.0 Bluray Disc Burner Reader Burner Slim BD CD DVD RW ROM for PC Mac Windows 7 8 10 XP Linxus : スポーツ&アウトドア
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