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This week: waterfalls in Lyons, big screens, and the attack of the

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Australian box. We first meet Team Lab,

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the 400-strong digital art The team of artists programmers,

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engineers, CG animators, mathematicians and the like,

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love to make an impact and here at the Pace London gallery,

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they're presenting eight As with the work in Tokyo,

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the idea here combines motion censors and the projectors,

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which means you have a completely interactive piece that

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you can touch and change. The whole room has been fully

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calibrated so the censors can detect where everyone in the installation

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is really, really accurately. The artwork, the project,

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the projections, The pictures really do react

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to whatever you do while you're This room is called

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Flowers Bloom On People. With no-one in here,

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it's just a black room but if you sit around for a few

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minute, you'll find that nature Now I would say this is pretty

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cutting-edge projectector technology but Marc Cieslak has assured me

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he can give this a run This is a home entertainment concept

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from Razor, a company most famous for manufacturing gaming PCs,

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covering more lights than Blackpool The concept makes use of coloured

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lights and projected image, working together in

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synchronised harmony. What we have here is a concept

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lighting rig, which is key So the lights in this room

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will change colour depending on what's happening but it's only

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part of what's going on. So if I just hit this button here,

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we get the largest screen And that giant screen size is thanks

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to a pretty expensive The projector is fitted with a 155-

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degree fish eye lens, combined with two depth sensing

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cameras that scans the rooms for objects and furniture,

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and the system adjusts the image to prevent it from

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becoming distorting. So the idea is that by having

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a screen that envelopes, the peripheral vision of the viewer,

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you really feel like you're thrown inside the action,

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and it is surprisingly effective. At the moment, this system remains

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a concept but Razor has hinted it And now robots. One of the big users

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is to go to places and do work that is not safe for humans. But when

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Nick wanted to see the situation on a packed ice island in Australia, we

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completely believed him... But this is his story. Off the coast of

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Brisbane, Queensland, Serena and beauty. --A Serena beauty. But for

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over 60 years it was a prison. In 907, -- 19 seven, it was a colony

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fall leprosy. Hundreds from the mainland was sent here in ex- for a

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life sentence, with over half dying in isolation. Since closing in the

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late 50s, many of the unique buildings have fallen into

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disrepair. It has been tersely eaten by termites. The only thing keeping

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it up is the roof. The majority of the buildings are death trap, it too

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dangerous for people to enter. So this group of architectural and

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robotics expert are developing ways to preserve the building digitally.

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We are using a lot of different kind of equipment. -- clients. This six

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leg it best is designed to go into building is too dangerous for

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humans. With nimble limbs, it should trade -- transfers all sorts of the

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rain. It is a work in progress. The team are developing ways for it to

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feel the ground around it and detect for itself if the floor is safe

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enough to walk on. In the meantime, this has been built from the bottom

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up. It is all modular. We can we design as we go. We should be able

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to generate a real-time map as the robot drives through. Depending on

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what kind of image you want, for example if you have another system,

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depending on the conditions, you could add things. And, of course,

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they have a drone, equipped with her sense to scan the island from above.

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Covering is this a clearing in 14 minutes and that will have all of

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this area mapped from above to walk it and capture all the low staff.

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You're looking at half an hour, 40 minutes. Technology really allow us

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to capture the changing, fragile, remote and degrading site really

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quickly which is incredibly important because it is falling

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apart before our very eyes. It is an incredible example of inbuilt racism

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in architecture. This was the only example of segregation and it is

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important to understand the story and acknowledge it is part of our

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history. You cannot imagine sitting around here for 30 years, trapped on

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an island. Walking around here is really quite eerie to see how people

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were forced to live in these conditions against their will. You

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can see that inequality straightaway between how the whites lived and

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their purpose-built houses and nice patio and a lovely sea view and how

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everyone else, the nonwhites had to sleep. Sometimes four or five to

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just the shed. Galvanised iron. The government did not take too much

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notice of the aborigines. We need to look down into the ground and

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cemeteries for ground penetrating technology, because we do not know

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how many people are buried. We do not know who they are that it would

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be nice to note just how many and where they are also full of leaving

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the island I feel I have little of what it was like to live there. The

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team want to share that experience with others. They want to present

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their findings in virtual reality to educate new generation is about this

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part of Australia's past. The hope is that what they learn here will

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also help future technology and perhaps one day it could save lives.

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Hello and welcome to the week in Tech. Facebook announced its app to

:10:05.:10:13.

play videos on your TV. A new C five was born. And a newly opened it

:10:14.:10:21.

cybersecurity Centre, the idea slammed off using long complicated

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passwords. And talking of remembering numbers... Remember

:10:26.:10:33.

Nokia? Let them help you with the remake of an old model. Exclusive

:10:34.:10:40.

rights to the brand will launch in March. It is famed for great battery

:10:41.:10:50.

life, easy usage. Phones in Holland could be a step closer after the

:10:51.:10:59.

Dutch improve traffic lights. . Some would rather chance of death and

:11:00.:11:06.

look up. This time, more news for your hair. The unseen says this is

:11:07.:11:13.

the first air dye that changes colour depending on the temperature.

:11:14.:11:19.

Remarkably, that semi- permanent pigment is still looking for

:11:20.:11:27.

commercial partners. In Dubai, passenger journeys for this summer.

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This automatically flies to destinations depending on one person

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and depending on weight, their bag and swell. Now, we have often talked

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about virtual reality and self driving cars on the show but this

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week, we take a trip to see how some are put to impressive purposes.

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Oh, I can see lightings and stuff playing.

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I've been discovering some of the the latest ways

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that the technology is being used to help the visually impaired.

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It all starts with a spot of virtual reality.

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It just made me so, it was happiness but it made me cry and I just

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I'd been without full sight for so many years and then

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all of a sudden I could see things that I hadn't seen for 30 years.

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Here at the Beacon Centre, a charity supporting those

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with sight loss, an interesting trial is taking place.

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It seems some people can see things in VR they could never see

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Yes. Oh, no, he's there now!

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I'd never expected it but when they put the head set on,

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I mean there was giraffes, coming up and looking at me!

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What would you say to other people with a similar level of vision

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to you about the experience of being able to do this

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Oh, if you've got the chance, you have to have a go.

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I mean I know it's not full sight, because you've got to wear

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a machine, I'm not saying, that but to give you the experience,

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There are a wide range of conditions that cause sight loss.

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The nature of which can vary hugely, and even for those with similar

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problems, the benefits of the VR have varied.

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By along with the University of Wolverhampton, experts are trying

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to understand how this is possible at all.

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What we found quite quickly is that people who had central loss,

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macular type conditions, as they are called, are the ones

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Where they still had peripheral vision and whether that peripheral

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vision is so stimulated as to fill in the gaps,

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or, whatever wee don't understand yet, is it because it's so close?

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Is it because there are still sight receptive cells in the centre

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of the vision, so that when they're stimulated enough,

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that they will fire and therefore create the vision?

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There's a whole host of things we're still trying to explore

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If I could use that when my daughter's doing her school plays

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or she's singing in the choir, I could never pick out

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who she was or what she was doing, or be able to see what you are

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seeing and that could really be quite life changing.

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But however clear the virtual world may seem, finding ways to ease

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Temporary footway in road. Five to 10 metres.

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There are eye beacons built in here that connect this

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to the mobile app, so if somebody is approaching and they have the app

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installed in their phone, they will receive an alert to let

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them know about the roadworks and how best to approach them.

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And for someone like Louise with two young kids,

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this smart street furniture could make all the difference.

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Because it tells you which way to go, so it can still in my pocket

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I can have their hands, one in each, and I can hear the voiceover,

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so it will say something like the pedestrian crossing

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It's there for three days or however long.

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So if I do the school run the same day, I know exactly where it's

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going to be, I have done that walk yesterday.

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Also this week, big claims from a company that say their smart

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glasses can give the legally blind 20/20 vision.

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As well as being able to stream content, they've captured the user's

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surroundings, converting them into a form, they say,

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is easier to identify for those with limited vision.

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Sadly we couldn't put a pair to the test just yet,

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and it's early days for much of what is being trialled

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here but the possibilities are certainly looking good.

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Now, virtual reality has been grabbing all the headlines in recent

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years but don't forget augmented reality.

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Now, this is the idea of projecting computer generated images on top

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A bit like this but in a pair of glasses.

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Well, a small band of augmented reality pioneers have been really

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Here's Marc again with some pretty classy eyewear.

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These augmented reality glasses are basically a wearable computer.

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For the last couple of years, augmented reality specs have been

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used primarily in an industrial setting or in the workplace.

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These have been competed by a company called ODG,

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and they've been designed far more with the consumer in mind.

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They feel a lot closer to normal glasses, so to get the best out

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So, I stand up, at the moment, there's a 360-degree video playing.

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If I look around, I get a different viewpoint here.

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I see a robot in front of me and what looks like some kind

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of futuristic hospital, and there's a guy over here,

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who seems very unhappy and another guy who looks seems to be

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The images move seemlessly with my head.

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If I look around I can see planet Earth in front of me.

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I can walk inside it and see from outside of the planet,

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and appreciate it from this angle, and if I stand here,

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yep, a Space Station that's orbiting the earth as well.

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Now, the glasses know where they are, spacially,

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because there's a couple of cameras on front of them.

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And all of the processing is happening on the head set itself.

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The ODGR-8 glasses will cost around ?800 but they are basically

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There are some cheaper lower tech AR options

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There are lots of low-cost virtual reality headsets that make

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This is a low-cost augmented reality headset that uses a phone.

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Put an AR app on it and the images on the screen

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So when the headset's on, I can look down the screen

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and I scan see graphics reflected from the phone just in the headset.

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Now, it has another trick up its sleeve as well.

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I can see my hands in front of me and use them to cast flames.

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Just a normal day at the office for Marc then. Now, if you're watching

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the programme last week you would have seen us chatting with the

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visual effects supervisor for the film the jungle book. Last Sunday

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the team behind it picked up one of the biggest honours in the film

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world and won the BAFTA for Best visual effects. Many congratulations

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to them and of course we'll claim absolutely no credit for their

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victory. See, we love visual effects! Can't you tell? This week

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we're continuing the buildup to buildup to the Academy Awards by

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looking at another movie that's been nominated in the Best visual effects

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category, this time it's Marvel's Doctor strange. Now, we got

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exclusive access to industrial like magic in London, they worked on the

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breathtaking final scene in the film set in Hong Kong. Warning, if you

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haven't seen the movie yet, this next set contains spoilers. I

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repeat, it contains spoilers. Still with us? Good. I spent so many years

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peering through time. Looking for you. The idea of reversing the

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traditional end to any kind of superhero movie where it gets bigger

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and bigger and the city gets destroyed and the superhero saves

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the day, but there's a big old destruction going on. This is the

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opposite, there's a big old destruction going on and it gets

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reversed, by the end the city is pristine, nobody knows they hero

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saves the day because he made time go backwards. One of the challenges

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was constantly selling backwards time, every shot is stuffed with

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things falling upwards, explosions happening, puddles splashing, people

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not falling over and these things so we mixed together some footage of

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people going forwards in time, that's one of the things in the

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movie, Doctor Strange and his friend are going forward in time but they

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exist in an environment going back in time. Mixing those two things

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together is quite challenging. There are some digital humans in there but

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there's also a lot of play photography as well so one of the

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big challenges was how do you have convincing footage of people moving

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forwards and backwards but with the camera moving? One of the solutions

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was using something called motion control, a computer-controlled

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camera so we could film Benedict Cumberbatch as Doctor Strange and

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the camera moving around, record the move and reversed the same move and

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have the extras running through the frame. When you reversed the

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footage, the camera move goes back to the original movement but

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everyone in the frame by virtue of reversing the footage is running

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backwards. Now you're mixing together people running forwards and

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people running backwards in the same footage. But once you get beyond

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that, of course, every frame is full of explosions and fire and smoke so

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the key thing again is blending those things together and making

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sure people aren't running through places where there's meant to be an

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explosion or Doctor Strange hasn't got someone running through his cape

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because lots of careful planning has to go into making sure there's no

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interceptions of the action so that can be achieved by having markers on

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the floor, saying Doctor Strange will be here, people do forget those

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things, though, and people run straight through. Or it can be a

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case of doing something called body tracking, so we might look at Doctor

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Strange, we might point out his arm or shoulder is here in 3-D space by

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measuring the distance on a computer and having something bounce off his

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shoulder, so it sells he's in the played by emphasising the

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physicality of the area so we can put in some 3-D generated degree so

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it can bounce off him and go in a different ways of there's a variety

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of ways you can approach these things together. This is a breakdown

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of one of the shots we did, it gives you an idea of some of the layers of

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material that go into something like this. That's the plate photography,

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this was all shot at longshot studios, a set built along the

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bottom and the top of everything is digital and all the flying debris is

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digital. You can see there's a mixture of actors running forwards

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and Doctor Strange in there as well, a shot of different plates are mixed

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together. So much you don't know. Teach me!

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Yet, Benedict Cumberbatch giving Doctor Who a run for his money in

:23:51.:23:56.

the tiny whiny nurse of it all. That's it from us, this is at the

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gallery until the end of March and you can see a few more photos from

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this and all the other things on Twitter and @BBCclick is where we

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live. Thanks for watching and see you soon.

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No great dramas expected weatherwise through this weekend.

:24:38.:24:39.

Certainly no cold weather in prospect.

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A relatively mild weekend coming up and a lot of dry weather too.

:24:41.:24:45.

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