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A recent conference on "space weather" attended by scientists from NASA discussed the potential effects of large solar flares on computer systems and technology such as GPS. Solar scientist Dr Mario Bisi, from Aberystwyth University's Institute of Maths & Physics, pops in to the Science Cafe to tell Adam Walton about the latest prediction. .

A new £40million project in Wales will create "supercomputer" hubs across the country, which will offer scientists and businesses a massive amount of computing power to aid them in their research. Professor Martyn Guest of Cardiff University's Advanced Research Project joins the programme to outline this .

While we're on the subject of computing, we hear about how the increasingly connected, computersied world that we live in is leading towards a more personlised feel for maps. A new collaboration between Cardiff University and Ordnance Survey has been compiling a database of "vernacular", or unofficial place names around the UK. Chris Jones, Cardiff University's Professor of Geographical Information Systems, joins us on the programme to explain how it will work, and how you can contribute via

Also this week we catch up with John Rowlands from Anglesey, who is one of the four finalists in Â鶹Éç Radio 4's . He updates us on his research into