article_snippet.sent: Scroll down for video .
article_snippet.sent: Thank you very much everyone... now the hard work starts.'
article_snippet.sent: Workers - who were earlier given Easter eggs by one of the centre's bosses - cheered when it was confirmed that the machine was back in operation.
article_snippet.sent: If something interesting appears in this new window our will see something interesting appears in this new window.
article_snippet.sent: Professor Jonathan Butterworth, from University College London, said: 'It all seemed to go very well this morning.
article_snippet.sent: Professor Jonathan Butterworth, from University College London'll
article_snippet.sent: all be watching very excitedly to see what develops over the next few weeks.