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An End of January Note

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Atama
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I just wanted to point out

I just wanted to point out that magnetic storage is already being left behind as a technology. Data is typically stored now as electrical charges in integrated circuits, in SSDs and flash drives. No magnetism involved. Though that technology is far from perfect and won’t last forever (especially if left too long unpowered), this isn’t the 1980s and you can’t just wipe storage by having a refrigerator magnet too close to it.

Redlynne
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Memristors arranged into

[url=https://en.wikipedia.org/wiki/Memristor]Memristors[/url] arranged into [url=https://en.wikipedia.org/wiki/Crossbar_latch]Crossbar Latch[/url] configurations anyone?

Quote:

They can potentially be fashioned into non-volatile solid-state memory, which would allow greater data density than hard drives with access times similar to DRAM, replacing both components. HP prototyped a crossbar latch memory that can fit 100 gigabits in a square centimeter, and proposed a scalable 3D design (consisting of up to 1000 layers or 1 petabit per cm[sup]3[/sup]). In May 2008 HP reported that its device reaches currently about one-tenth the speed of DRAM. The devices' resistance would be read with alternating current so that the stored value would not be affected. In May 2012, it was reported that the access time had been improved to 90 nanoseconds, which is nearly one hundred times faster than the contemporaneous Flash memory. At the same time, the energy consumption was just one percent of that consumed by Flash memory.

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DariusWolfe
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As the conversation is

As the conversation is straying, at least slightly, into storage media, I saw an interesting bit about data storage in pieces of crystal. They'd managed to store... I don't recall what it was, but a pretty hefty bit of data in a piece of clear crystal in a dot barely visible to the human eye, and the storage life of the media was measured in thousands of years, rather than decades. At the point in time I read the article it wasn't effectively rewritable, but for archival data storage, it doesn't really need to be.

~ DariusWolfe
Errant, TNT, Vibrant and Fluxion on Liberty

StellarAgent
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3D memory storage, basically

3D memory storage, basically ROM. Done using lasers and a special type of doping compound inside the crystal. A long way from practical use unfortunately.

Grimfox
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DariusWolfe wrote:
DariusWolfe wrote:

As the conversation is straying, at least slightly, into storage media, I saw an interesting bit about data storage in pieces of crystal. They'd managed to store... I don't recall what it was, but a pretty hefty bit of data in a piece of clear crystal in a dot barely visible to the human eye, and the storage life of the media was measured in thousands of years, rather than decades. At the point in time I read the article it wasn't effectively rewritable, but for archival data storage, it doesn't really need to be.

This is effectively the same type of storage we've been using for DVDs and bluray. Just a new medium. I think this is what you were remembering.

https://techcrunch.com/2018/02/09/the-special-data-device-spacexs-falcon-heavy-sent-to-orbit-is-just-the-start/

It'll be interesting to see how and if the technology improves and or becomes mainstream.

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DariusWolfe
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Grimfox wrote:
Grimfox wrote:

I think this is what you were remembering.

https://techcrunch.com/2018/02/09/the-special-data-device-spacexs-falcon-heavy-sent-to-orbit-is-just-the-start/

At first I though this was different, but then I went back and found the original article, and it looks like they did some different aesthetics with these, but it's essentially the same technology.

Original article (within days of exactly 3 years ago, it turns out) https://www.pcworld.com/article/3033071/storage/permanent-superman-crystal-holographic-storage-is-etched-with-the-bible-magna-carta.html

Reading the article you linked, the last bits of it are kind of exciting to me because they mention something that sounds similar to an idea I'm using for 'space-internet' in a sci-fi series I'm writing; i.e. basically due to the distances involved and the limits on speed (I have FTL travel, but it still takes weeks and months to get from place to place), ships and stations carry around what amounts to local copies of the internet and update them whenever they come across each other, or in scheduled burst transmissions between stations and planets.

~ DariusWolfe
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