![Ben Krasnow on Twitter: "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" / Twitter Ben Krasnow on Twitter: "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" / Twitter](https://pbs.twimg.com/media/CIoVE3OUMAIfhRx.jpg)
Ben Krasnow on Twitter: "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" / Twitter
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External CD Drive for Laptop, EEEkit USB 3.0 Type-C Portable CD/DVD ROM +/-RW Optical Drive Player Reader Rewriter Burner, Slim External DVD Drive for Laptop Desktop PC Windows XP Linux Mac OS -
![Amazon.com: Blingco External CD DVD Drive, USB 2.0 Slim Protable External CD-RW Drive DVD-RW Burner Writer Player for Laptop Notebook PC Desktop Computer, Black : Electronics Amazon.com: Blingco External CD DVD Drive, USB 2.0 Slim Protable External CD-RW Drive DVD-RW Burner Writer Player for Laptop Notebook PC Desktop Computer, Black : Electronics](https://m.media-amazon.com/images/I/61y6oo5H5HL._AC_UF894,1000_QL80_.jpg)