DIGITAL memory. We want more of it. Memory in your cellphone that will store every message you have ever received, or that will keep computer data safe if the plug is pulled.
For now, that remains a pipe dream. But advances in creating next-generation digital memories are coming thick and fast. This week, Philips Research Laboratories in Eindhoven, the Netherlands, announced a new material for a technology known as a phase-change random-access memory (RAM) that has brought the dream a crucial step closer.
For now, the main standard for electronic non-volatile memory – chips that keep data even with the…
