This issue of E&T Engineering & Technology Magazine is Volume 5, Issue 9. It covers the period from 19 June to 9 July 2010.

The lead feature explores why battery-powered cars may not be the long-term solution for transportation. Other topics include the future of interactive meeting rooms and advancements in transparent electronics.

Further articles delve into biofuels and their place on the eco agenda. The magazine also examines the role of supercomputers in life-saving surgery.