Undated handout photo issued by Harvard University of a ‘K’ shape self -assembled by a 1,025 kilobot swarm, obedient miniature robots that act together as a “swarm” to form a 1,000-strong army, scientists in the US created the soldier-like devices, each measuring a few centimetres across, to demonstrate how simple machines can display complex self-organising behaviour. : Michael Rubenstein/Harvard University/PA Wire NOTE TO EDITORS: This handout photo may only be used in for editorial reporting purposes for the contemporaneous illustration of events, things or the people in the image or facts mentioned in the caption. Reuse of the picture may require further permission from the copyright holder.
Jelly Melly, a competitor during the 2014 UK National Twerking Championships held at Scala, London. d: Jonathan Brady/PA Wire