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tv   Shift  Deutsche Welle  May 11, 2020 1:15pm-1:31pm CEST

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ram that is 3 full 360 degree spins in the air the young skateboarders name is go eat koori has been was a half turn more than tony hawk's best the legendary hawk only managed 900 degrees . thank you for watching t.v. news don't forget to go to our web site dot com for all the latest we'll see you at the top of the hour. the global corona trysts you can find more information online at g.w. dot com and on t.w. social media channels.
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how does a virus spread. why do we panic and when we'll all be. treated through the tax and weekly radio show it's called spectrum if you would like any information on the crawl of virus or any other science topic you should really check out our podcast so you can get it where ever you get your podcast you can also find us and. slash science. shift special how can we preserve our data in future generations. from photographs to scientific research to open source code we store much of what we produce digitally however most digital storage mediums will degrade over time and software for retrieving data is constantly evolving so how can we ensure the data we store
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will be available to future generations. in the past people recorded important information on stone parchment and preserve their collective knowledge for hundreds of thousands of years. today we're living in a digital. we can store more and more data on smaller and smaller storage units but these are not built to last and we're facing the risk of digital memory loss. when it comes to computers things quickly become outdated. collectors like félix couldn't make a point of holding on to obsolete technology thanks to people like him we can still access information saved on older data carriers. for one thing you need a storage medium to be exact. then you need the appropriate software to retrieve the data and lastly you need an operating system that is compatible with that
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software switzerland's computer museum showcases obsolete hard and software the team has often succeeded in restoring data from own storage media. or work around for accessing the data but it can be tricky sometimes we need to build an interface converter so we can link the old system to a u.s.b. port we usually get it to work the key criterion is that the old hardware is in good condition. greater bush is the museum's go to guy for retrieving data from old storage media his current mission to access data stored on this floppy disk is thought to contain information about a special stamp issued by the swiss postal service in 1996. i hope the drive still works and i need the floppy disk to be intact. but i'm optimistic that the. title is
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a computer scientist and has been with the museum for almost a decade he's an expert on obsolete data carriers. i hope we can speed this up otherwise we'll have to restart the system. now we should be able to reject it the museum has a vast collection of computer hardened software from different periods in time which means writer can usually find whatever obscure device he needs to retrieve data from old storage media nothing is happening no wait now it is. still the best film roles for example will still have the photos on them unless they have been improperly stored. video uses magnetic tape which the great slowly and the electronic storage media we use now won't even last 50 years to go over
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there are. so old a data gary's can store less but they're often more durable magnetic storage media like floppy disks last only 20 to 30 years optical storage media like cd roms are highly susceptible to scratching and temperature fluctuations and although hard drives and u.s.b. sticks can store large amounts of data they often degrade within just a few short years studies show that our global data storage needs will grow to 175 trillion gigabytes by 2025 to process and store data we need new innovative archiving solutions to searches of xerox and they're hard looking into one data carry of it's been around for millions of years d.n.a. . d.n.a. has 2 advantages it has extremely long jetty so it will last for up to 1000 years i think and it has an extremely high storage density so we can save vast amounts of
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data in a tiny space. of. classes a chemistry professor at zurich. together with his colleagues he's developed a method that lets them record digital information like an m p 3 file on to stranded synthesize d.n.a. this is how it works d.n.a. molecules consist of 4 chemical bases a 3rd any c. sayto seen fine and g. kwame binary computer code is assigned to these bases respectively then an artificial d.n.a. strand is generated from which this code is safely stored to be retrieved at a later time. so father's method remains very complicated and expensive but i.t. companies like microsoft have started investing in this field and tech start ups are also looking into d.n.a. as storage media for good reason. you know used to computers having ever greater
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storage capacity isn't processing speed nice light it does the physicality at the same time we know that the physical properties on which our computer technology is based have limits you know in physicality or whatever shout industry that's why the tech industry is looking to the world of biology and chemistry to see which other data storage techniques exist there. and there who have d.n.a. . doffing and. one reason why d.n.a. makes for a good long term data carrier is that humanity will likely always have an interest in analyzing its own genetic material so it is probable that we will retain the technology to retrieve data from d.n.a. in years to come d.n.a. segments in capsulated in glass are supposed to keep for up to a 1000 years or so tiny that they're only visible on to an electron microscope each segment can store about 10 killer bytes of data about the equivalent of 2 pages of
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text. since i think you can see we've got 20 to 30 pages of text at our most recent but we're looking at this in. 200000 times magnification. so this really is tiny. if we zoom out we're looking at an entire book of the bit. on the out further and we've got the equivalent of an entire shelf of books to be called for more. and you see millions of these class elements so if we had one around the size of a dust particle would have an entire library. this promising data storage method however is still in the early stages of development. how can we preserve data for a very long time and also protected from outside influences and attacks of norwegians has created
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a special days of fun for the arctic world and kind of auschwitz bed an island here they plan to store vital data saved on film. we're in the town of drum and norway's capital on its ear that are in a b. at strong's company is based on the team is working on how to preserve data for a near eternity arena says u.s.b. thumb drives for example are not built to last i could be as i lose i welcome to typical today this fits into my computer but will do that tomorrow most likely not because even now you find computers without this u.s.b. interface yet because this is the old one i was used to see so you might see in a 100 years u.s.b. it openly knows that it is so as now it can fit in the computer when it's in the computer i can take those they don't and i convert them to our super high resolution sure calls and write them off until. the idea is to preserve the data
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for many years to come the company technician retrieves it from the u.s.b. stick and then saves it into q 4 quick response codes. they're essentially what happens when you turn binary computer code into 2 dimensional black and white caps they skew our code is then exposed on an analog black and white film which can eventually be developed. this may not seem like a method from the past but are in a be extra and his team believe this is how we'll be storing data in future. they say under ideal conditions film keeps for over 500 years and that it's imperial to electronic media. but in times of everything gets digital why such an old school technology so the film medium has been carrying all the additional information from the past into the future of the last 140 s.
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so what we did we converted the film the photosensitive film from an analog information carrier to additional information carrier and we didn't because of the unique longevity properties and the robustness of the media basically this storage medium is the only self-contained storage medium around that means it contains all the information that you as the client and the owner of these data needs at an arbitrary point in the shooter to be able to retrieve it and to see again your information against as you can see the data stored on film with your bat at the beginning of the road there are even instructions for how to access the information even if you're what you're basically saying here is the instruction how to retrieve the data this is human readable information and if this explains in detail about the storage medium how the storage medium is constructed how it's supposed to be stored and kept and then how you can get the data back the data retrieval technology and with this explanation i'm going to understand that in 500 years yes
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as long as you are able to read english if you don't understand the language which is there you can use a dictionary to get it into your life together ok but how can such films be stored for 500 years to find out we traveled further north to shrink down to here libyan strong team has joined forces with a norwegian construction company together they run a digital data bunker sent to speak to the norwegian occupiers you know it's a demilitarized zone they're full considered particularly stable just over 2500 people coolies arctic occupied ago that there are many defunct coal mines around the main town of longyearbyen and in 2017 the arctic well down kind of didn't want to since then. representatives from many different countries institutions and companies have traveled here to securely store their data in this sub to ring in bunker we're brought here to be the 1st bit of a very quiet by stabilized so we think that there are very often.
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so this is for us a pool for the concept of it is there that can be kept here about but for. many many here it's already a firearm. of course the long term credit preservation is reform of the within that the that you can see deep into de france that it's into different data centers about that we believe the law in the importance also augured that was it didn't get this seeds of culture here. plan is to create a kind of backup of humanity is collective knowledge some 150 meters from the surface the data here protected by the palm of frost will hopefully be safe but considering the world's growing data storage needs will soon need further long term solutions.
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to give hope to those who have been cast aside. debriefing aims to do just that with her few g. school. their children of rohingya refugees can get an education. they are often denied this opportunity because malaysia excludes them to this day. 3000. next d.w. . india looks for signs of nature make a city of delhi was there's plenty of pollution. and little things fundamental consciousness. but the end cio delhi greens wants to change that. it aims to raise awareness with small eco friendly projects. will its efforts bear fruit.
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in 60 minutes on t.w. . i subscribe to do you know where your books are something more in the world than what we make the uk after 5. degree books on 2. welcome to global 3000. this week we need to hinge of refugees who are facing huge obstacles when it comes to starting a new life abroad. in uganda we learned house.

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