02/06/2012 Click


Click looks at the gadgets designed to keep you safe and let your family know where you are. And the tech that captures wasted energy. Plus this week's tech news and webscape.

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sail down the Thames. There is an interactive route map.


Wouldn't it be nice if someone was It you are always watching shadows,


this week, Click can help. We're looking at the technology designed


to keep you safe and let your family know what you are.


Taking a stroll through the corridors of power. We check out


the technology that captures wasted energy.


We are in Dallas to take a big view of TV.


All of that and the very latest tech news and the best of the word


in Webscape. -- the best of the Web. When it comes to your personal


safety, you can't be too careful. While our smartphones and other


portable devices can't do karate, they can allow our loved ones to


keep track of us. We have been finding out just how safe the


latest safety tech really is. Our phones can locate where we are,


take pictures, make alarm sounds and contact our friends and family.


The development of apps that makes these talents should in theory


provide the perfect security device. It will find way you are by


combining GPS phone networks and Wi-Fi locators, then the app can


communicate with your chosen contacts or a dedicated Monitoring


Centre in the event of an alarm being raised. BSafe's app has been


downloaded almost 100,000 times. If you sign up to a monitoring contact


at the start -- contract, it will contact your loved ones with your


location. The monitoring contracts are quite a cheap and simple,


starting at just a few pounds per month. PanicGuard is the first to


be approved by UK police. As well as providing tracking, emergency


contacts and is at Inst -- emergency contact Barden, it


triggers your phone's flash to shine bright and it will trigger


your phone's camera. But what if you can't raise the alarm yourself


in an emergency? StaySafe gets around this problem by expecting


you to check into the places you're meant to be. If you have not


checked in, your emergency contacts will be notified. As an employer,


we have an obligation to the safety of our workers and became up at


this as a solution to make sure we can follow them and make sure they


are OK while there are at work. Their reaction has been fantastic


because it demonstrates we are a caring employer who is looking out


for them. Some fear that employees could just feel they are being


watched for the wrong reasons. with your right restrictions and


oversight, they can be a valid way of ensuring safety, but there is a


huge potential for abuse and an employee could very easily feel


their employer is collecting information outside working hours,


that their employer does not trust them, or that they are being spied


upon. Some people will worry that their location details could be


hacked into. Despite the use of secure servers by these services.


Sometimes, we feel our most vulnerable at night. It is dark,


you don't know who was behind to, and flicking through your phone to


find the alarm button may not be a deal. He may prefer to have


something closer to hand. There is no shortage of hardware to keep


track their movements either. This bracelet will cost nearly 180 quid


but aims to look like a simple fashion accessory. It has a built


in panic button at debated by pulling at the bracelet and it


sinks while Leslie with your phone. -- while asleep. This key fob is a


GPS device that can track location and act as a panic button. When it


comes to be sure your kids are, brightly-coloured devices like this


watch offer dedicated extras like safe zones, areas your child should


stay with him, causing an alert should they go outside of them or


if the water is removed. While all these devices aim to be foolproof,


there is still the question of false alarms. One way to send your


friends and family into total panic or seemed like you're crying wolf.


Can a piece of tech be the best method of self-defence? If you're


worried about being attacked in the street, you could do with something


instead. On sounds on your phone are unlikely to reach the


aggressive tricks of some conventional personal safety alarms.


Nor spray anything in the face of the regressive. You need to think


about what happens when you press that button. As the person on the


other end Nate you are out? Do they know what to do when you press the


button? What happens if the lease back to power? What happens if you


are separated from your phone? The device is only tracking your phone


and not you. While some devices may make us feel safer, when it comes


to using apps, the one thing that should be protecting us is probably


the most valuable thing we have on A look at this week's tech news.


An anti-virus Burma once of what its expense -- suspects is an


orchestrated attacks by a nation state. Kaspersky Lab says that the


virus is one of the most complex threats ever discovered. It is told


the BBC that it believes that the malware which steals confidential


information has been active since 2010. The company thinks the tax


may have been state-sponsored but can't be sure. -- the attacks.


Samsung has admitted it is facing manufacturing issues are the people


-- blue models of the Galaxy S III. Customers are facing weeks of


delays. The company said the plume models require a new finishing


process that is taking longer to produce than first thought. All


variants of the smartphone were supposed to be in the shops in 28


European and Middle Eastern countries last month.


PayPal is bringing its online shopping business to the high


street. The company says its UK customers will be able to use an


apt to pay in selected shops. Customers will have to create a


PayPal account with a security pen for the app.


This track and these three cars have carried out the first test of


a convoy of self- driven vehicles on public roads in Europe. The


convoy completed the 200 km journey on a Spanish motorway using a


wireless standard developed for the calls and a number of Sciences


IndyCars. The cars themselves are being driven by software while the


truck had a human driver. They accelerated, brake and toned just


as the truck it. This project comes a few weeks after Google got a


mission in the US to test its autonomous, on public roads in


Nevada. -- autonomous car. Most tech has been shrinking but


TV's have gone the other way. It is not uncommon to see a 50 in TV


these days. In Dallas, they have something which would dwarf


anything you could imagine. This is the largest suspended HDTV


in the wild, and its home is the Cowboys stadium in Arlington Texas


outside of Dallas. It can hang as low as 25 feet and as high as 120


feet. With the screen, 108,000 fans can get up and put -- up close and


personal with the action happening down on the field. Each of the two


large screens are 40 yards wide. On the sides, there are two smaller 48


feet wide screens. This screen had to be built piece by piece with


four by six panels. They tried playing some 3D for the audiences


but their words are receptive. With a screen this big, I can see why 2D


If he used a laptop on your actual loud, you will know these things


can get pretty hot. They have a habit of running out of battery. At


the thought, he took his energy. Why it -- what if he could capture


the excess heat and use it to power a battery? That is the principle


behind an up and coming branch of tech innovation called Energy


Remember your schooldays? I have quite a lot of energy at this age.


Imagine if you could harness all that energy in something that was


used for? That is exactly what is happening to these children's


footsteps in this corridor. At this school in the Kentish countryside,


they are travelling a system of flexible paving slabs that collect


kinetic energy from each tart's footsteps, turning it into an


electrical charge used to light up a pulp. When the stand on the tile,


it flexes five millimetres in the centre. We convert that to


electrical power. Seven watts per footstep is created. The heavier


you are, the more energy is created. This installation is only four


tiles and has been set up to demonstrate the efficacy of the


system. It also shows how tough they are. We have a lower than


hundred students in the school. That is about as robust as you get.


If we put something like this in London Underground stations, that


would be very exciting. It is easy to see the potential. What more


corporations and public bodies needing to beat Green emissions


targets, it could play an important part in the sustainable energy mix.


One of the key sites we're working on it is at Westfield. This is the


largest ever shopping centre in Europe. We will see 40 million


people walking to this area of the Olympics. With that amount of


football -- would fall, we will be able to power a large proportion of


the lighting within the shopping centre. We weren't allowed to look


inside the system, such is the fierce competition in this sector.


Small companies are worried their ideas will be copied if they reveal


all. But kinetic energy is typically collected using an


electromagnetic system, which creates a coloured by moving a


magnet inside a Coyle. It is a process that has been widely used


in self- winding wrist watches for years. Other systems collect heat.


This land can power a radio. Or crystals that make electric


currents when under any kind of stress. And well and gas refinery


plant, we have many k am of pipework and these motors and pumps


fail. 1 One Wales, someone has developed a sensor which is powered


by vibration. When a change of sound occurs, that sense of squirts


out a signal to tell a base unit that this pub at this location


needs replacing. The motor industry is using self powered senses that


tore Wireless lead to the on-board computer. No wiring to add to the


weight of the car, improving efficiency. Energy harvesting is


sparking the imagination of inventors across the globe. Like


this Kenyan entrepreneur who wants to power your mobile phone with a


pad in the heel of your ship. Researchers at Cornell University


believe a tree with thousands of lapping leaves may one day replace


the when deter crime. Before we get carried away, a word of caution


from the organisation who would like to establish a Europe-wide


standard for measuring this technology. Many people would love


to see energy harvesting being used in consumer devices. The current


technology at the size and scale you need it to be at can't deliver


Watts of power. It is delivering 1,000 times less than is required.


A really good example of how energy harvesting can be used in a


consumer environment is to extend the life of batteries. Your mobile


phone will last three days between charges rather than one.


average person will walk 150 million steps in their lifetime. In


theory, using the slabs, that is enough to power the average family


home for three weeks. Imagine how many Christmas trees you could


Whether or not you get the point of Twitter, you cannot deny that it is


a force to be reckoned with. 140 million active users are tweaking


some 340 million comments every day. -- tweeting. That is the equivalent


of reading around 79,000 good novels. Who has time to keep up


with all of that chapter? You-know- who and she is coming up now with


Webscape. Here is Kate Russell. Instead of checking out my Twitter


timeline when I am supposed to be working, I found a better way to


keep up with it - the social Radio 4 Twitter app. Link it to your


account and then get on with your life. Soothing electronic voices do


all the hard work. -- The Social Radio 4 Twitter. The Act dials into


your Twitter feet at various intervals, reading anything that


came in since you last checked. But to turn it off -- but turn it off


before you go into any meetings or it could swing into life and reveal


more about 2G new plant. Yes, I am speaking from experience. -- more


about you than you planned. This has to be the autumn at multi-


tasking tool and will make you re- evaluate who you follow on Twitter.


-- the ultimate. It might shock you to learn that according to the


Environment Agency, one in six homes in England is at risk of


flooding. If you live in one of them, you is a Facebook app that


could help you stay ahead of the weather. Flood Alerts kelpie said


an area of interest. This could be your home or we'll grandparents


live and keep you informed of any flood warnings using live data


provided by the UK Environment Agency. It seems odd to be talking


about flooding when many parts of the UK have been in official


drought status. But heavy rain represents one of the biggest risks


of flooding because the hardened soil is not capable of draining


away the water during a sudden downpour. The app will not stop the


tide coming but forewarned is forearmed, as they say. Once it is


running, it will post any flood warnings on your wall which you can


share with the people you know, making you the modern-day hero. The


Act is built using technology that can be rolled out across the world


now, which could be a game changed her before the rainy season. -- the


app is built. The internet can be a busy place. Multiple e-mail


accounts, media and social screens -- streams, file transfer services,


the list goes on. Tracky is a new platform designed to cut through


the clatter of by providing a simple home for all of your e-mail,


chat and file sharing around a particular shared task of. The


people you invite to a task group will need to be registered with


Tracky and it is best you seek the permission before handing over


their e-mail address to a service that they may not want to join.


Nobody likes to be getting repeated e-mails reminding them to accept an


invitation they did not want in the first place. Link into your social


accounts led to push information out to them from within the Act, as


well as holding private conversations, sitting up tasks and


assigning responsibilities. -- app. A nice addition to the pockmarks of


anyone who likes to be organised. There are a couple of historic


events happening this week. On the fifth and sixth June, Venus will


pass in front of the Sun, visible from most parts of the world


through a solo shade. It will not be seen of her for a very hundred


years. -- seen again on her. Link mac is an explorer with a penis


trans bid simulator which will take knew when to expect these amazing


site where you are. There are links and advice about how to observe


this celestial spectacle safely. Talking of spectacles, the UK


celebrates the Queen's Diamond Jubilee this weekend. There will be


street parties and parades across the country and HistoryPin is


providing a lovely home for all of you Jubilee memories with a


dedicated channel where you are encouraged to upload photos, past


and present, in celebration of Elizabeth's 16-year reign. -- 60-


Thank you, Kate Russell. All of those links are up on the


website. The address you need is here on


screen. You can also quick to Click on the


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