14 Thursday, 23 July 2009 London Lite Taking it upstairs: new treehouses could help boost pandas sex lives Feeling inSPiReD BY THe TOUR Wheelie cool kit for your commute The week in numbers Lite bytes Science news in brief from around the world Power-hungry: onions as fuel Science&technology On Sunday the victor of this years Tour de France will finally complete the 2,200-mile course and cross the finish line. Feeling inspired? dunCan GRaHaM- ROWE rounds up the latest in cycling technology for all you wannabe Lance armstrongs... Winkku With more bikes on the road, signalling is likely to be ever more important. Why risk losing control taking your hands off the handlebars when you can use car-like indicators instead? Attaching to the end of handlebars they come integrated into large wing mirrors so you can also check behind you before turning. to signal just push a button on the handle- bar. And at night they are much more visible than simply sticking your arm out. 44.78 for a pair, winkku.co.uk VholdRdigitalcamera If you are an expert cyclist and like to go off-road, why not capture the action on the VholdR camera? Designed for cyclists, it attaches to a helmet or handlebars and has a simple, one-push record button. It comes with high- definition widescreen capture and two laser guides help align the orientation without having to take off your helmet countless times. 299, vholdr.com engineers in the Us have made an attachment for mobile phones that turns the camera into a makeshift microscope. The idea is to use it for healthcare in developing nations. Cellphone networks are favoured in many such countries because they are cheaper to deploy than laying cables -- and it should be possible now to use the networks to send microscope images from a phone to experts via the internet. COuLd panda populations be boosted by building them tree- houses? a new study suggests the quality of dens influences the pandas reproductive track record. Pandas like to build their dens in the cavities of ancient trees. But with many having been cut down in the areas where pandas live in the wild, they resort to caves, which have a tendency to flood. Building wooden dens for them on higher ground may boost numbers. The creators of battlefield robots that fuel themselves by eating organic matter have had to reassure the public that people wont be on the menu. Following fears that these robots would feast on human flesh, boffins from robotics Technology issued a statement saying that their robots are in fact vegetarian, fuelling themselves only with plant matter. NEAREST STORE Check diy.com or phone 0845 850 0175 (calls charged at local rate). PRODUCT AVAILABILITY varies by store so please check before travelling. OPENING HOURS Most stores Mon-Fri 7am-9pm, Sat 7am-8pm. Sun England and Wales 10am-4pm (where permitted). Scotland 9am-7pm and Northern Ireland 1pm-6pm. Offers exclude nextdaydiy.com and Tradepoint. Lets do it diy.com 75% offselected shower enclosures 70% offselected garden furniture 1/3 offselected lawn mowers 100sof products from 1, 5 and 10 Theres some really fantastic savings. For example, you can save 300 on our Valencia shower enclosure Richard employee since 2000 1000sof clearance products throughout the store including... Our biggest everonly while stocks last 15minutes is how long a new, green screen saver system waits before it will turn off the monitor -- if youre not watching. Developed by VeryPC, the system differs from others in that it uses the webcam and face detection software to determine whether you are actually looking at the screen. 600kilowatts per day is how much power a new onion- fuelled generator is able to produce. Developed by gills Onions, an onion supplier in California, the system uses an anaerobic digester to break down waste material to produce methane gas which can then be burned. 11hours is how long O2s data network went down for this week, affecting mobile phone customers across the country. O2, the largest UK mobile provider which exclusively serves the data-hungry iPhone, has yet to reveal what caused this disruption. 150is how much it would cost you to teach your house to tweet. At least thats how much iBM inventor Andy stanford-Clark spent equipping his home with 147 sensors which he hooked up to the Twitter social networking website to produce a real-time feed on household data, including anything from energy use to whether a mouse had been caught in a mousetrap.