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As others have said, most of it isn't worth keeping anyway.
The key is moving the data from one media type to another every couple of years to ensure it's all still readable. Personally, I've been moving stuff off of CDs/DVDs to hard drives as big fat hard drives are now cheaper than blank discs.
What I found interesting during this transfer exercise is that older CDs seemed to be of better quality; I have some stuff that had been burned on CD in 1996 that was read back without a hitch. Other discs that were 15 years newer had to be retried multiple times on multiple drives due to read errors - some drives, it seems, are more sensitive than others. I remember when CDs came out, manufacturers were claiming these could be trusted for 100 years. Right.
These are now all part of my regular backup rotation. I'm not too worried yet about JPG or MP4 file formats suddenly becoming unsupported overnight. If support eventually drops in favor of something else, it should be trivial to convert from one format to another in batches.
But I definitely wouldn't trust my only copy of any data to the likes of Dropbox or, heaven forbid, Facebook.
As the demand for optical discs has waned, so has the quality. Back in the 00's I would go through cases of Taiyo Yuden discs on a monthly basis as we had a near perfect record with them. They no longer are in the market as a manufacturer.
(Magnetic) Tape seems to be the thing that large data farms are backing up to... maybe that is why there is such a shortage of the media for everyone else.... Backing up everyone's worthless facebook posts and stupid images. There are more photos taken now per minute than the entire 19th century
Director of Transmogrification Services
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Master of Yoda Conditional
A lot of the material from that era exists only on betamax-video's, and CD's may have a little bit more shelflife than those. They're not "lost", they're converted and exist on a harddisk. Anything valueable has a backup.
We have already entered the age of unlimited bullshit, where "scientist" no longer guarantees science.
Bastard Programmer from Hell
If you can't read my code, try converting it here[^]
Isn't it a bigger "problem" that people don't care about the past?
Well, that is nothing new. Elders have been complaining about youngsters ignoring the old tales, the old knowledge, the old ways, for ages - probably since the dawn of day. We'll just have to accept that they will repeat our mistakes.
As a mature+ person, you essentially have two alternatives: Either turn into a grumpy old man (or woman), spending the rest of your life bitching about young people, or saying: To heck with it - it is their own responsibility to create their own world, just like we did ourselves when we were young.
I have chosen the second approach. For example: In my childhood, we had hours of Super8 movies from vacations and celebrations, we had albums with hundreds of photos, we knew lots of stories told about our ancestors. I tried to keep up that tradition, spending hundreds of hours creating memories, mostly as well edited video movies. But those involved give me a shrug: What would I need a video for? I was there, I remember how it was! Or: I can see the video at your place if you insist, but I don't need a copy of my own.
So I stopped editing videos about ten years ago. I stopped writing long letters to friends fifteen years ago: When a three page letter is answered by an 80 char text message to my mobile, I realize that I am wasting my time. I try to remember which stories I have told to whom: 'You told that last summer' is a typical remark, and I must explain 'I was telling this to Peter, not to you, and he hasn't heard it before!' before I am allowed to continue.
No more than two hundred years ago, for common man, most activities were not at all dependent on written records: You didn't learn farming, or hunting, or fishing, or knitting, or bread baking from a book. Your money was that in your pocket (or treasure chest), not a written down figure in a bank account.
Written-down records (as text, images or whatever) as The Basis for our culture is essentially a Western world 20th century artifact. Obviously, if it turns out not to be so for the 21st century, we will end up like any non-Western, non-20th-century culture. That will be different from today, of course, but maybe not that much different. I think that we already has proven that we can do well without all those old stories and memories, without everyone fluent in reading, but with the repeating of a lot of yesterday's mistakes and reinventing the wheel.
Grandparents will probably continue being sources of old stories for another generation. But it already is just entertainment, pastime - not in any way significant, important or necessary for young people.
Such is life, and it is getting sucher and sucher every year...
Considering that the researcher is a mathematician/Astronomer/Astrophysicist, perhaps you could have realized she's not considering the conditions on Earth at all. That, however, would interfere with your donkey-chasing-a-carrot view towards whatever agrees with your fancifulness version of reality.
You should also learn something about the differences between "THE THREE C's"
Cause and Effect
So you agree that the article I linked to was 80% media hype and 20% science? And thus you do agree with my criticism of it, and that your statement that I 'cherry picked' something was in hast and will now be retracted?
It does help to read and understand someones post before jumping in you know.
Not having read the article, I feel it appropriate to point out that I live in the North East of England. A mini ice age would represent a warming event
Surely you're still getting around in shorts and a t-shirt. I heard they're all tough oop norf.
"I controlled my laughter and simple said "No,I am very busy,so I can't write any code for you". The moment they heard this all the smiling face turned into a sad looking face and one of them farted. So I had to leave the place as soon as possible." - Mr.Prakash One Fine Saturday. 24/04/2004
cacao has a wide distribution in its preferred latitudes. it doesn't grow outside of those latitudes.
and latitude is about more than min/max temperature range. it's more about sunlight: day length, variation in day length, seasonal daylight differences, etc.. and day length affects how much the temperature changes between day and night. plants are very sensitive to that stuff. so it's not like we could just move everything towards the poles, if the equator gets too hot.
You know that CO2 warming is to impact the poles much more than the tropics, yes?
and that has literally f***-all to do with the amount of sunlight different latitudes get.
Says you, the expert in plant biology....
it doesn't take an expert in plant biology to know that plants use the amount of sunlight to regulate their own seasonal growing cycles, and that you can't just plant any old tree in any latitude. that's like the first thing you'll figure out if you ever feel like planting something in your yard - how long is the growing season? when to plant? how much sunlight will this spot get?
even if the average temp was 80F in Greenland, plants that can't handle six months of darkness aren't going to grow there. and most plants won't grow at all unless there are 10 hours of sunlight per day.