At Shanghai's 2010 World Expo, some of the extraordinary capabilities of these robots went on display, as 20 of them danced in perfect harmony for eight minutes. In 2011, IBM's Watson took on the ...

With its rich (and rather horrifying) history, royal links, resident ravens, and random ghosts roaming the halls; the Tower of London is a must-visit (especially during spooky season). One captivating ...