A controversial, Star Wars-style flying speeder bike has gone on sale. A viral video of the space-age Airbike vehicle zipping across the landscape divided opinions earlier this year, with many suggesting computer trickery had been used. However, Polish company Volonaut now says it will go into production in limited numbers at the launch price of £649,000 ($880,000). They also revealed new flight footage with original audio they claim shows Airbike is real. The video shows the small, one-person vehicle — said to be able to fly at 124mph — apparently flying over a test ground, thanks to a loud method...