News
5D Storage Technology Can Fit 500TB On A Small Disc
This method could theoretically be used to archive data for as long as 13.8 billion years.
While most consumers today are perfectly satisfied with the capacity and reliability of modern solid-state drives (SSDs), various organizations that are required to archive massive quantities of data are deeply aware of the limitations of not just SSDs but other currently available storage technologies as well.
Soon, they might be able to store up to 500TB of data on a CD-sized disc thanks to a new energy-efficient laser-writing method for producing high-density nanostructures in silica glass. Called five-dimensional (5D) optical data storage, this method could theoretically be used to archive data for as long as 13.8 billion years, and the optical discs produced by it can survive temperatures as high as 1,000 degrees Celsius.
“With the current system, we have the ability to preserve terabytes of data, which could be used, for example, to preserve information from a person’s DNA,” said Peter G. Kazansky, leader of the research team behind the new data storage technology.

5D optical data storage isn’t actually an entirely new invention, but its practical applications were greatly limited in the past because of its slow write speed. To improve it, the research team from the University of Southampton in the UK used a femtosecond laser to produce an optical phenomenon known as near-field enhancement, minimizing the thermal damage that prevented earlier researchers from making 5D optical data storage truly usable.
Also Read: Japan Sets A New Internet Speed Record With 319 Terabits Per Second
“This new approach improves the data writing speed to a practical level, so we can write tens of gigabytes of data in a reasonable time,” said doctoral researcher Yuhao Lei. By a reasonable time, Lei means about 100 pages of text (roughly 230 kilobytes of data) per second.
When you compare that figure to the writing speeds of modern SSDs (anywhere from 200 megabytes per second to 4,000 megabytes per second), it becomes apparent that regular consumers won’t be replacing their storage drives with it anytime soon.
News
Spotify Will Now Tell You If Your Favorite Artist Isn’t Real
The streaming platform is introducing an “AI Personas” label and cutting AI-generated artist profiles from its recommendations.
These days, the question of whether the artist you’re streaming actually exists is no longer hypothetical. Spotify intends to combat this issue by introducing a label called “AI Personas” for artist profiles that present an AI-generated, human-like identity rather than a real person. More consequentially, it will also keep those profiles out of its editorial and algorithmic recommendations by default.
From mid-September, listeners will start seeing an AI Persona badge on artist profiles, appearing in the banner and About section, in Search, and on track rows across playlists. Tapping the badge reveals whether the artist disclosed the AI identity themselves, or whether Spotify’s review team made the determination after examining the profile.
That distinction matters, because Spotify is not relying on self-disclosure alone. Artists can flag their own profiles as AI Personas through Spotify for Artists as of today, but the platform will also review profiles whose public identity – including name and imagery – appears to represent photorealistic AI-generated identities. The rollout begins with artists who have met defined audience thresholds, so the labels cover the vast majority of profiles listeners actually visit. Artists badged by Spotify’s reviewers will be notified and can self-disclose or appeal, and in the coming months listeners will be able to report suspected AI Personas themselves.
Also Read: Shokz OpenFit Pro Review: Open-Ear Audio Finally Grows Up
The company’s recommendations policy is also being tweaked. Music from AI Personas will not surface in a listener’s personalized recommendations unless, for example, they follow the artist. Spotify says all artists have a creative choice in how they present themselves, but its programming is focused on elevating music from authentic artists building careers in music.
The badge concerns identity, not production of the music itself. An artist who uses AI tools to make music is a separate question, one Spotify addresses through AI Credits and SongDNA. The AI Persona label sits alongside those features, plus Verified by Spotify and Artist Profile Protection, in what the company has made one of its top priorities this year: letting listeners trust that the artist behind the music is who they claim to be.
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