29/03/2014 Click


29/03/2014

Click finds out how West Yorkshire CSI can tell what you've touched from your fingerprint, plus printable circuits and a taste of the year's design innovations.


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Transcript


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I ordered an e-reader with an extra large font.

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I think I'm going to need to buy a bigger case.

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Never mind the function, feel the form.

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This week on Click we'll look at some of the device designs

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we could find in our hands, our homes

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and on our roads in the next decade.

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But whatever we touch, we definitely will leave our mark.

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We're with the police force using the latest technology

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to get much more from the scene of the crime.

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And if you really want to make that mark,

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why not use it to build an electronic circuit

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with some rather unusual paint?

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We'll also have a trip inside the world of The Game Of Thrones

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courtesy of virtual reality.

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All that plus the latest tech news and a chat about chat in Webscape.

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Welcome to Click, I'm Spencer Kelly.

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Welcome to the Design Museum in London for an exhibition

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showcasing the finalists for the Design of the Year award.

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There are plenty of weird and wonderful creations

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including a machine which reads text, sends it into a website

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and prints it out using good old pen and paper.

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That is a theme we are seeing amongst some of the exhibits this year,

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this merging of digital with good old analogue.

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Take this Lego calendar, for example.

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Yes, that's right, a Lego calendar.

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You arrange your team's time using real coloured blocks but then,

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if you take a photo of it, an app analyses the image

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and syncs it with your digital schedule.

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Talking of blocks, here's a concept smartphone

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where the components are swappable and upgradable.

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Want more memory or a better camera? Well, just plug it in.

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And then there's the eye exam smartphone app that should help

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prevent the onset of blindness in the developing world.

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These awards are all about selecting products that take

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a fresh look at existing problems and solves them in a better,

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or at least, a unique way.

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Ever got the feeling you weren't getting enough from your piano?

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This one has gel keys to helps your fingers feel something

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closer to the sound that they produce.

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Sounds like Chopsticks, feels like jelly.

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Mm, squidgy. More from the Design Awards later,

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but now we turn our attention to crime, and specifically, solving it.

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For the last 100 years, one of the main methods

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to catching criminals has been the fingerprint.

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Although this is a fairly rudimentary technique,

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scientists are now hauling it into the 21st century.

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Rebecca Morelle has been finding out how mass spectrometry

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can tell you more about the owner of a set of prints than just who they are.

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As the night draws in, criminals start to go to work,

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and so too do West Yorkshire's Crime Scene Investigators.

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POLICE RADIO CHATTER

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Yeah, if you can show me the file to log 538, please.

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A break-in nearby has been reported.

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Chris Barley is on his way to investigate.

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The burglars have forced their way into the house

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and it's upstairs where they've caused the most damage.

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We believe the suspects were probably looking for jewellery,

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that kind of thing, but they have torn open every drawer,

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suitcases have been opened, cupboards, contents thrown out,

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so we've had a very messy search.

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Amongst the chaos, it is the CSI officer's job to find any clues

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the suspects have left behind.

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Finding a fingerprint could be the key to cracking this case.

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Something's been thrown under the bed, there's two mobile phones.

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It's quite possible they've been handled.

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They've seen the model.

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This place has been completely ransacked.

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The CSI team behind me are searching for any scraps of evidence

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that they can find.

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Despite all the advances in technology, central really

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for the last 100 years has been the fingerprint for identifying suspects.

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A new technology promises to bring this to a whole new level.

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These scientists from Sheffield Hallam University have joined forces

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with the police in the first trial of its kind.

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They say a fingerprint reveals far more than just a person's identity.

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It can provide vital clues about the suspect's activities

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hours before the crime took place.

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The samples are analysed here in the lab.

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They're looking for any trace, no matter how small,

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of substances hidden within or on the prints.

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They use a technique called mass spectroscopy.

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It helps them to find out what these chemicals are by seeing

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how they behave when they're fired through a magnetic field.

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To make it easier, let's imagine we have a ping pong ball,

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a football and a cannonball, and the field is a steady stream of wind.

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If you throw the ping pong ball,

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the gust will have a big effect on its path through the air.

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The heavier football's journey is less affected

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and the cannonball is pretty tough to move.

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By studying how these balls travel and where they end up

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can tell you a lot about what the objects are.

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It's the same for molecules and atoms.

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This was a crime scene mark found on a laptop.

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So we analysed it.

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The software enables you to see the molecules distributed on this mark.

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What we think it is here, is cocaine

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because the weight or the mass-to-charge, more technically,

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would correspond to that presented by cocaine.

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We can distinguish males from females or we can understand

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whether or not a person has dealt drugs or taken drugs.

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We can detect in just substances so we may be able to reconstruct

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what that person has been eating just before committing the crime.

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Back on the road and the forensic squad have been called to another break-in.

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This time, a television has been stolen.

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More prints have been left, helping the team build a profile

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of the person that's committed this crime.

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We've got to use all the tools at our disposal to try and identify

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and solve crime.

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Criminals are getting better at doing what they do

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and we need to keep up with them.

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This is just one way we might improve the way we use fingerprints

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and ultimately prevent and detect crime.

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POLICE RADIO CHATTER

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The calls from police HQ keep flooding in.

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The work is never done,

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and any new tools for this CSI team will of course be most welcome

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to help with their ongoing fight against crime.

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Rebecca Morelle.

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So at the sharp end, spectrometry can be used to detect fine details

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and chemical traces in things like a fingerprint.

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But just because you're not a member of the team at CSI West Yorkshire

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doesn't mean you can't do a spot of analysis on your own at home.

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In this envelope is one of the nominations here at the Designs of the Year exhibition

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and it is a Do It Yourself spectrometer for your smartphone.

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Step one - Take out, fold up and stick together the premade template,

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or you can download the PDF and print one for yourself.

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Note the slit, very important.

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Step two - Vandalise a DVD.

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Taking just the transparent layer, you can create a quick and dirty diffraction grating,

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perfect for splitting light into its constituent parts.

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Step three - Stick the whole thing onto your phone's camera,

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point it at a light or shine a light through something,

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and you'll get a spectral fingerprint that unique to its chemistry.

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This was developed to help identify environmental pollutants,

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which means step four, where you upload the image

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to the online spectral workbench, will then attempt to analyse

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the object's chemical composition and spot contaminants like crude oil.

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How illuminating, chemically speaking at least.

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Next up, a look at this week's Tech News.

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Another month, another shopping splurge.

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Facebook has announced it will buy Oculus VR,

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a start-up specialising in virtual reality head sets

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for a cool 2 billion.

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But not everyone's happy about the kick-starter success

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selling to Facebook.

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Minecraft creator, Markus Persson,

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donated to the kit's development back in 2012

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alongside more than 9,000 other crowd funders.

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Following the news, Persson cancelled plans to create

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a special VR version of his game, saying Facebook creeps him out.

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The US Department of Justice has made the first convictions

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against distributors of pirated mobile apps.

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The two Americans have pleaded guilty to conspiracy to commit

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criminal copyright infringement in the case

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that involves more than one million downloads

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worth more than 700,000.

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The Appbucket Group offered its own version

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of the Android market place which could be installed

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on a user's smartphone until it was seized in 2012.

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Apple has said it wants more ethnic diversity

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in the basic range of text messaging emoji icons.

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While dozens of icons appear to show white faces,

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only two are specifically Asian and none are black.

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The icons are based on a standard list agreed

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by a consortium of tech companies.

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Previous petitions have lobbied for the addition of everything

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from hot dog to tacos.

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And for tech-savvy fashionistas, one company, Iconomy,

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has developed a smart mannequin that can tell you what it's wearing

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via a transmitter and an app.

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Inside the model is the so-called VM beacon which works

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even when the store is closed.

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Shoppers who've opted into the system are given the must-have

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item's location in-store or a link to the online shop

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if they can't be bothered to carry their bags home.

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One of the reasons I never do any gardening

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is because I can't use my tablet while I'm wearing heavy-duty gloves.

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The touch screen doesn't work.

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But fortunately, my azaleas need suffer no more,

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because I have discovered this.

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It's a tube of conductive paint.

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What you do is just slap a dollop on each fingertip like that.

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Whip out your hairdryer, give it a couple of minutes...

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And then...

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The magic should happen.

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This is not the only use for this kind of paint.

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In fact, it could have some pretty serious implications

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for the future of electronics.

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Dan Simmons has been getting hands-on and hands off again

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with some of the latest inky innovations.

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Getting kids interested in the classroom can be a tricky business,

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but to be able to paint instruments and then play them,

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that suddenly makes things much more fun.

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PIANO NOTES

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By hooking up painted circuits to a single Arduino board

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and speaker, a range of instruments can be created.

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You don't even have to touch it to play it.

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Each of these circles has its own electro-magnetic field.

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When my hand comes close enough to each one, it breaks that

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and sends a signal back to the circuit board.

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That then plays the appropriate sound.

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This prototype only plays certain MP3 sounds all at the same volume.

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But by turning the paint into a sensor,

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the different levels of resistance can be measured

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so you could alter each note's volume or pitch.

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You've got to remember to take your hands away.

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The company behind the paint, Bare Conductive,

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says music isn't its only forte.

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It could also be fine tuned for interactive books, door bells,

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hidden sensors and everyday light switches.

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These could be covered with wallpaper or painted over with regular paint,

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so you don't even have to see them.

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One of the exciting things is giving it to a much wider audience

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and they come back and say, actually it's really amazing

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for this application, or I really want to make this book or a poster

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or something else, that we would never think of, because we are doing

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other things, but also it's just collective brainpower, effectively.

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You do need to wait for each circuit that you've painted to dry

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before you can test it out.

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Painted circuits is all well and good for amateur enthusiasts

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but for professional engineers, much faster and more precise use

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of conductive ink is being investigated.

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At the University of Tokyo,

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researchers are using desktop printers to do something similar

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which, they say, could revolutionise the electronics industry.

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Traditionally in a lab, prototype circuit boards are sent for centring

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and take a number of days before being returned for testing.

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But Professor Kawahara and his team have printed out

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working flexible circuit boards in a matter of seconds using photo paper

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and a special ink that contains silver.

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The fact that all this is flexible and can be printed and folded

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means we could create our own 3D objects using a 3D printer

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and put those paper circuits inside

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so they can be a little bit more interesting.

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Here's a torch that we made

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and sensors, this one for example, has an antenna built-in,

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and this detects how much rain is falling on it.

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These could be, perhaps, planted across an entire field,

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hundreds of them, and then they'd biodegrade

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so they wouldn't be around after they were needed.

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Once the circuits are printed, the electrical components,

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like a battery or LED light, can be attached by hand.

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It's fiddly and takes a while.

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And that could be a problem for more complex prototypes.

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So, this research has been taken further by Microsoft's R&D centre

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in Cambridge.

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These stickers make things easy by combining components

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with adhesive to cut down production time.

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The simple and instant fusion of stickers with the circuits

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means that components can be easily recycled, perfect for prototyping.

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Making electronics this simple

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could lead to a new era of product creation.

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You can print out the functionality a working circuit,

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print out the form factor and combine the two.

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So you can imagine in future there being a machine, a printing machine,

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which prints working devices, it doesn't just print empty shells

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of space invaders but maybe a space invader with interactivity.

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Whilst you can buy electronic devices that have already been imagined

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from the high street, these new DIY circuits open the door

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to anyone with a printer to create simple gadgets, unique to each of us.

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Dan Simmons there, always on the lookout for new toys.

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As we heard earlier, the big news story of the week

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has centred on Facebook's purchase of virtual reality company, Oculus.

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It's certainly left a lot of people wondering

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what the future of VR might be.

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In the past, we've associated it mainly with gaming,

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but virtual reality could change the way we view

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other forms of entertainment like TV and movies,

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as LJ Rich experienced recently in Texas,

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or should that be on the North Wall of the Kingdom of Westeros?

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This is a virtual experience that promises to put viewers

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into one of the world's most popular television shows.

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The Oculus Rift visor allows you to see what many characters

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in the show would see and there's even a wind machine to create

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the breeze that you would experience if you were to look over

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the seven kingdoms.

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Facebook says its acquisition of Oculus will change the way we work,

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play and communicate, but I don't like strangers poking me

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in the real world, let alone the virtual one!

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I found the whole thing rather convincing.

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Not surprising really as it's backed up by serious processing grunge

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from the same company who produced the Oscar-winning effects in Gravity.

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We've literally got ridiculous-sized power machines

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which we've custom-made,

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3.3 gigahertz monsters feeding each machine.

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You're seeing stuff being rendered at 4K at 60 frames per second.

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There's no latency as you look around which make it super smooth.

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Given the average life expectancy of a character in Game Of Thrones,

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it's no wonder the experience is quite short.

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And even though you follow a selected path rather than explore the world

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freely, it's impossible not to feel impressed at this simulated world,

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particularly when looking over a cliff edge that drops 700 feet.

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I feel like I'm just on a tiny platform at the top of a cliff.

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It's quite vertiginous even though I know this isn't real.

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It is a little worrying.

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It's an odd experience, because of course I know

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I'm not ascending the wall at Westeros,

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but the feedback that you're getting from at least three of your senses

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feels pretty real.

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It's cold, it's sort of rattly and you're looking at something in 3D.

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I'm glad I've done it but I don't think I want to do it again.

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Now the thing is, we take this to directors that we work with

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in the film world and say, fill your boots.

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This is for you to write now, it's a whole new set of tools

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about nonlinear storytelling for you to learn.

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I don't think we're too far away from starting a project where

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it will be a properly led film directorial effort.

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LJ Rich. And despite what you may think, winter is coming.

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That's a Game Of Thrones reference, although a bit pirate if you ask me.

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Never mind. Anyway, Facebook isn't just buying goggles.

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It also recently forked out 19 billion

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for the instant messaging app, WhatsApp.

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Which chat client is best for you?

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That's one of the big topics of the year so far,

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and here's Kate Russell with her thoughts in Webscape.

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With so many chat apps vying for your attention,

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how do you choose the right one?

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You'll obviously be swayed by how many of your contacts you can reach

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with a platform, and smart voice mail service Libon just added Open Chat

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to its free apps which lets users send text messages, pictures,

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audio, location data and more to any of their contacts

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no matter what messaging service they use.

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# Did you get my text..? #

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This open system has the big bonus that your contacts

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won't be plagued by sign-up requests from the service

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in order for you to message them.

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They can even see it in a web browser if they don't have a smartphone.

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For contacts also using Libon, you'll get free HD voice calls on 3G, 4G

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and wireless, although do remember your service provider

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might charge you for data when not on Wi-Fi.

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There are so many other options in this space

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we could be here all day, so I'll just pick out the highlights.

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With Facebook forking out over 19 billion for it recently,

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WhatsApp has to get a mention.

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It lets users send free text, image, voice, video

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and location data to other WhatsApp users.

0:20:120:20:15

As with all of these app-to-app services,

0:20:150:20:17

it will trawl through your contacts to identify people

0:20:170:20:20

you can connect with when you first install it.

0:20:200:20:23

# Will you follow me to London...? #

0:20:230:20:26

The king of the multimedia chat apps in Asia is Wechat,

0:20:260:20:31

with around 250 million users.

0:20:310:20:34

Again, free on all leading platforms with similar features to WhatsApp,

0:20:340:20:38

but including voice and video calls already.

0:20:380:20:41

This app also uses QR codes to add contacts

0:20:420:20:45

and set up group chats which is an important feature for those

0:20:450:20:49

writing in Chinese languages, which use thousands of characters

0:20:490:20:53

rather than the Latin alphabets the Western QWERTY keyboard

0:20:530:20:56

is optimised for.

0:20:560:20:57

Another popular cross-platform service is Kik, with features

0:21:050:21:09

similar to WhatsApp and Wechat.

0:21:090:21:11

One big difference, though, is you don't need to

0:21:110:21:13

share your personal details to send a message,

0:21:130:21:17

like phone number or e-mail address.

0:21:170:21:19

Instead, you create a username, so it's perfect for connecting

0:21:190:21:22

with people you might not want to be in contact with for ever,

0:21:220:21:26

like on holiday or through a dating site.

0:21:260:21:29

# A message to you, Rudy... #

0:21:290:21:33

For an alternative in the private messaging line-up,

0:21:330:21:36

there is also BBM now available on IOS and android

0:21:360:21:41

as well as BlackBerry handsets.

0:21:410:21:43

You share a PIN number rather than your personal information.

0:21:430:21:47

As well as the privacy benefits,

0:21:470:21:49

you might also find a lot of your friends are using this app

0:21:490:21:52

as it had over 75 million users before BlackBerry ran into troubles

0:21:520:21:58

a few years ago.

0:21:580:21:59

If you're a total privacy freak then Telegram Messenger

0:22:030:22:07

is one app that's been gaining a lot of traction lately.

0:22:070:22:10

Messages between users are free and private,

0:22:100:22:13

and because of the distributive server setup, they're fast too.

0:22:130:22:17

# Hear a secret message to you... #

0:22:170:22:22

It's early days for this app, so only the IOS and android versions are official,

0:22:240:22:29

and the likelihood is none of your contacts will be on it yet.

0:22:290:22:33

But as it is an open API project,

0:22:330:22:35

meaning the source code to build compatible apps and add-ons

0:22:350:22:39

is freely available for other developers,

0:22:390:22:41

there are a lot of unofficial builds coming online for other smartphones

0:22:410:22:45

and even a desktop client.

0:22:450:22:47

You can also initiate a secret chat which heavily encrypts messages

0:22:490:22:53

user-to-user with the unique key to avoid interception

0:22:530:22:57

by hackers or government snoops,

0:22:570:23:00

and prevents the other chatter from forwarding messages.

0:23:000:23:03

# Me and you... #

0:23:040:23:07

Thanks for those wise messages, Kate.

0:23:090:23:12

And you will find all of those links on our website as normal

0:23:120:23:16

along with various bits of this week's programme

0:23:160:23:18

and your regularly updated feast of tech news.

0:23:180:23:21

If you would like to get in touch with us on e-mail, we're -

0:23:210:23:24

And on Twitter we're -

0:23:240:23:28

That's it for now. Thanks for watching. See you next time.

0:23:280:23:31

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