To the south of Swindon, just outside the village of Wroughton (where my daughters went to school) is what's now rather grandly known as the Science and Innovation Park . This huge 540 acre site houses the Science Museum's store facility. It's also home to the museum's amazing library, where I can be seen telling the (then) BBC's Robert Peston about quantum theory - and acted as a track for the TV show Grand Tour before it stopped being a Top Gear lookalike. Last Tuesday, I was honoured to be invited to the unveiling of the new Hawking Building a massive store housing over 300,000 items from the huge to the tiny. The scale of the building is remarkable - it really does look like one of those CGI, bigger than anything you can really imagine, store houses you see in movies. But this is for real. Walking round is quite an experience. Unlike a modern, carefully curated museum, this is a wonderful jumble, where you might find a Dalek lurking near a submarine alongside