![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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Amazon.com: Gotega External DVD Drive, USB 3.0 Portable CD/DVD +/-RW Drive/ DVD Player for Laptop CD ROM Burner Compatible with Laptop Desktop PC Windows Linux OS Apple Mac Black : Electronics
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