A machine on display at the Speedcubing Championship at the University of Leicester, is able to solve the Rubik's Cube puzzle in less than five seconds.
The video below shows the gadget, strapped to a mobile phone, solving the Cube in 4.89 seconds.
More top news
Six Polish men were found at the two businesses, some living at sites, they are thought to have been paid around £1 an hour.
Tahir Mahmood was detained by Police as he was attempting to climb into the roof space of an out-building at his family’s home.
Family man Mr Javeed was the owner of Digbeth business Direct Source 3 and was shot and killed on February 3.