In this age of cloud storage, few people are backing up data on CD-RWs. The technology to rewrite data on compact disks was made possible by phase-change materials altered by the light and heat of lasers, though this had a limit of 1,000 rewrites. In this age of cloud storage, few people are backing up data on CD-RWs. The technology to rewrite data on compact disks was made possible by phase-change materials altered by the light and heat of lasers, though this had a limit of 1,000 rewrites. Materials Science Phys.org – latest science and technology news stories
Photoswitching molecules allow writing by irradiation or heat and erasing by visible light
