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Of targets, including at least nine us federal agencies. when the us administration says it has traced the attack to a cyber group which goes by the name variously of cosy bear or the dukes, which it is claimed is linked to or part of the svr, is that not true? translation: all these claims about cyber attacks, _ poisonings, hacks, interference in elections, which are blamed on russia, they are so absurd, and in some cases so pathetic. they are like a bad crime novel. russia's spy chief is hinting that america is behind the hack. he says documents leaked by us whistle—blower edward snowden i...

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 li...

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 it gets weird. by singling out photons, you can unlock what's known as the quantum world, where very, very small ...

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

Hello there and welcome to sportsday. i'm gavin ramjaun. plenty on the way, with build up