![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 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](https://pbs.twimg.com/media/CIoVE3OUMAIfhRx.jpg)
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
![Blu Ray DVD Player for TV with HDMI, Mini 1080P Blue-Ray Disc Player for Home Theater Portable CD Player - Walmart.com Blu Ray DVD Player for TV with HDMI, Mini 1080P Blue-Ray Disc Player for Home Theater Portable CD Player - Walmart.com](https://i5.walmartimages.com/seo/Blu-Ray-DVD-Player-for-TV-with-HDMI-Mini-1080P-Blue-Ray-Disc-Player-for-Home-Theater-Portable-CD-Player_1703937e-c99a-402e-9d1d-a7bbc716663a.c1022a16888533c7d28cfa549f10b27d.jpeg?odnHeight=768&odnWidth=768&odnBg=FFFFFF)
Blu Ray DVD Player for TV with HDMI, Mini 1080P Blue-Ray Disc Player for Home Theater Portable CD Player - Walmart.com
![Unidade de DVD externa Blu Ray 3D, USB 3.0 e leitor de DVD Blu-ray Blu-ray portátil óptico fino para MacBook OS Windows XP/7/8/10, laptop PC (cinza prateado) : Amazon.com.br: Computadores e Informática Unidade de DVD externa Blu Ray 3D, USB 3.0 e leitor de DVD Blu-ray Blu-ray portátil óptico fino para MacBook OS Windows XP/7/8/10, laptop PC (cinza prateado) : Amazon.com.br: Computadores e Informática](https://m.media-amazon.com/images/I/41Oak4dy7qL.jpg)