here 5 our science correspondent, richard westcott.o much modern technology already relies on light, but there's still more potential locked away in these beams. in a lab in cambridge, this team says it's working on the next light revolution. first we had lamps and then we had lasers which completely revolutionised our lives and our technology and now we may be on the cusp of the third stage in the history of light. we have single photon sources, devices that can emit one particle of light at a time. and that is the key here, being able to separate off those individual light particles. i'll explain why that's important in a second, but first, here's how they do it. on this disc here, you can't see it, is a crystal that is one atom thick and it's got little defects on it the size of an atom, and when you fire a laser at those defects, they ping out individual out individual photons, individual particles of light, and you can actually see them here. these bright yellow areas are the defects where the photons are coming out. this is where

richard westcott, bbc news, cambridge.e's matt taylor. hello. whilst it's been a dry and sunny day for a few of you, for others, there's been some intense showers and thunderstorms and there are more to come again on monday, some of the worst of them in slightly different areas to where we saw through today. still some sunshine in between and whilst we've got the showers around at the moment, some of them will fade through the night, but there will be some continuing, particularly across parts of england and central scotland. a reasonably mild night, i think, for many, with temperatures dropping down into low single figures probably in northern ireland and south—west scotland. now, as we start monday, a fair bit of cloud around, but some sunny spells. many will start dry. there will still be some showers from overnight across scotland, northern and central parts of england, butjust notice how the showers blossom, again, perhaps fewer across the western half of england and wales compared with what we saw through today, but

richard westcott, bbc news, cambridge. a bit easier to grasp thanks to the talent of our weather presenters is the forecast. here's matt taylor. hello. whilst it's been a dry and sunny day for a few of you, for others, there's been some intense showers and thunderstorms and there are more to come again on monday, some of the worst of them in slightly different areas to where we saw through today. still some sunshine in between and whilst we've got the showers around at the moment, some of them will fade through the night, but there will be some continuing, particularly across parts of england and central scotland. a reasonably mild night, i think, for many, with temperatures dropping down into low single figures probably in northern ireland and south—west scotland. now, as we start monday, a fair bit of cloud around, but some sunny spells. many will start dry. there will still be some showers from overnight across scotland, northern and central parts of england, butjust notice how the showers blossom, again, perhaps fewer

richard westcott, bbc news, essex.lace untiljune 20th, just a month before the olympics are due to start. bbc sports's alex capstick has been examining the japanese organisers plans on how to ensure the games go ahead. the japanese public, the opinion polls there have regularly shown that at least 60%, up to 80% of the population want the games either cancelled outright or postponed, delayed, until next year or further into the future because of the pandemic, but it will look very different. we still don't know whether there are going to be any crowds. internationalfans have been banned, a decision on domestic fans will be made next month, although the tone from miss hashimoto during her press briefing was that that might be doubtful that there will be any fans at all. the games will be... there will be bubbles for athletes, bubbles for officials, bubbles for the media. nobody will be allowed out to party, to mix with the public. there will be very, very strict measures in place should these games go ahead. the opening

could help power the next generation of super—quantum computers here s our science correspondent richard westcott more potential locked away in these beams. in a lab in cambridge this team says it is working on the next light revolution. first we had lamps and then we had lasers which completely revolutionised our lives and our technology and now we may be on the cusp of the third stage in the history of light. we have single photon sources, devices that can emit one particle of light at a time. and that is the key here, being able to separate off those individual light particles. i'll explain why that is important in a second but first, here's how they do it. on this disc here, you can't see it, is a crystal that is one atom thick and it's got little defects on it the size of an atom and when you fire a laser at those defects they ping out individual out individual photons, individual particles of light, and you can actually see them here, these bright yellow areas are the defects with the photons are coming out. this is where it gets weird. by singling out photons you can unlock what is known a

here s our science correspondent, richard westcott.s. in a lab in cambridge, this team says it's working on the next light revolution. first we had lamps and then we had lasers which completely revolutionised our lives and our technology and now we may be on the cusp of the third stage in the history of light. we have single photon sources, devices that can emit one particle of light at a time. and that is the key here, being able to separate off those individual light particles.

richard westcott, bbc news, essex. to be optimistic" about the situation. gran canaria is a favourite holiday destination — but when the pandemic hit and tourists stopped coming, a british couple opened up their hotel to migrants and asylum seekers. so far, they've taken in over 3,000 people and will continue to help them even as holidaymakers return. nick beake reports. across spain's canary islands, so many hotels have stood empty, holidaymakers unable to visit because of the pandemic. but at the same time, record numbers of migrants have been reaching these shores after putting their lives at the mercy of the atlantic ocean. so last september, calvin lucock, originally from the uk, and his wife, unn tove, opened their hotel on gran canaria to the new arrivals. we didn't know what to expect. who would walk through our door, how their behaviour would be, what chances we'd have to interact or what contact we would have with them. those fears and apprehensions went away very quickly. so far, more than 3,500 migrants hav

our science correspondent, richard westcott has more.just communicate and just call our families and friends, we could use it for detecting different conditions and health states. that sounded like a dog! it is a fascinating _ that sounded like a dog! it is a fascinating story. _ that sounded like a dog! it is a fascinating story. brilliant - that sounded like a dog! it is a i fascinating story. brilliant science --oular fascinating story. brilliant science popular listening _ fascinating story. brilliant science popular listening to _ fascinating story. brilliant science popular listening to people - popular listening to people coughing. if it helps, of course. if you don't have access to pcr tests it is invaluable. so much coming up in the programme. j’m it is invaluable. so much coming up in the programme.— in the programme. i'm tackling social injustice, _ in the programme. i'm tackling social injustice, like _ in the programme. i'm tackling social injustice, like robin - in the programme. i'm tackling i social injustice, like robin