A rewritable optical disc. First used in drives by Panasonic in the late 1980s, the phase change technology was subsequently employed in all major optical drives, including CD-RW, DVD-RW ...

An international team has discovered a giant spiral disk galaxy in the early cosmos which is three times larger than similar ...

An optical disc (CD, DVD) or USB drive that contains a bootable program that takes control of the computer. Computers are typically configured to look for the OS on a CD or DVD first and then the ...

The first component is a stable ... (PMMA), to produce 120-mm-diameter, 1.5-mm-thick disks, with parallel surfaces polished to optical quality. As well as advances in materials development ...

Starting while at a Silicon Valley startup, Siros Technologies, we explored an alternative approach extnending current optical disk technologies. Here, a spinning disk is written and read by a focused ...