often talked about virtual reality, eye beacons and self driving cars on the show but this week, lara lewingtoneing put to some pretty impressive purposes. oh, i can see lightings and stuff playing. i've been discovering some of the latest ways that the technology is being used to help the visually impaired. it all starts with a spot of virtual reality. 0k. if you can try it this way. you pull it over your eyes. itjust made me so, it was happiness but it made me cry and ijust couldn't believe that... i'd been without full sight for so many years and then all of a sudden i could see things that i hadn't seen for 30 years. here at the beacon centre, a charity supporting those with sight loss, an interesting trial is taking place. i'm going to start the video... it seems some people can see things in vr they could never see in the real world or on a screen. i've lost paul mccartney, though. you've lost paul? yes. oh, no, he's there now! i'd never expected it but when they put the head set on, i mean there was giraffes, coming up and looking at me! what would you say to other people with a similar

here's lara lewington. i've had some really engaging virtual reality experiences., but it seems if you are entering a vr world, you might as well go somewhere really exciting, like space. that's where home: a vr spacewalk takes you. inspired by nasa's training programme, it aims to bring a mission in space to the masses. after getting used to your new surroundings, you undertake an emergency mission. whilst enjoying views of earth from afar, a friendly hand from a fellow astronaut helps to get you on your way. ah, i can hold a hand. i feel a strange sense of safety there is another astronaut here. the bbc commissioned the experience last year, as its first steps into the world of virtual reality content. we've taken all the storytelling power of the bbc and applied that behind it, so there's a great script, a great narrative and then we've looked at all the cutting edge explorations people are doing around vr, in terms of bio—monitoring, haptic feedback etc etc and trying to bring that into it as a massive piece of learning really. my preview here on the htc vive s

now it‘s time for click with spencer kelly and lara lewington.n opponents. but this week the a! community has been celebrating a big win after a poker playing algorithm called liberatus defeated four top human players in a 20 day match of heads up no limit texas hold ‘em poker. i‘ve been using poker as a benchmark for 12 years. now the best a! has surpassed the level of the best humans in the strategic reasoning under imperfect information. but even at this big win is only a little step towards creating a general artificial intelligence. 0ne that‘s capable of sophisticated thought across a wide spectrum of areas, and solving problems just as well as a human can. it‘s an incredible time and it‘s very hard to forecast. you know, what can these things do? it‘s a hard thing to think through, and has really incredible possibilities. but it‘s...i think it‘s impossible to forecast accurately. speech has been another big challenge for al researchers. personal assistants and chat bots are becoming more sophisticated, but they so far can‘t fool us into thi