Yasmin Morgan-Griffiths looks at a new form of ultrasound that could change the way tumours are treated. Shiona McCallum hits the dance floor to test new tech powering a nightclub through body heat, while Lara Lewington and Spencer Kelly chat to Niklas Zennstrom, co-founder of Skype.

Click travels to Edinburgh to visit the UK's new National Robotarium and catches up with some old robotic friends at one of the world's leading robot labs in Boston, USA.