![Amazon.com: External Blu Ray DVD Drive 3D, USB 3.0 and Type-C Bluray CD DVD Reader Slim Optical Portable Blu-ray Drive for MacBook OS Windows xp/7/8/10, Laptop PC (Silver-Grey) : Electronics Amazon.com: External Blu Ray DVD Drive 3D, USB 3.0 and Type-C Bluray CD DVD Reader Slim Optical Portable Blu-ray Drive for MacBook OS Windows xp/7/8/10, Laptop PC (Silver-Grey) : Electronics](https://m.media-amazon.com/images/I/41Oak4dy7qL.jpg)
Amazon.com: External Blu Ray DVD Drive 3D, USB 3.0 and Type-C Bluray CD DVD Reader Slim Optical Portable Blu-ray Drive for MacBook OS Windows xp/7/8/10, Laptop PC (Silver-Grey) : Electronics
![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
![Optical disk in tamil, difference between CD, DVD and blue ray disk, secondary storage devices - YouTube Optical disk in tamil, difference between CD, DVD and blue ray disk, secondary storage devices - YouTube](https://i.ytimg.com/vi/_9sHZonHAo8/maxresdefault.jpg)