Engineering publications brought to you by Mark Allen

Wirelessly powered implantable device can propel itself through bloodstream

Future aircraft could capture and re-use own power

Injectable gel could repair damaged heart tissue

Ball bearing boosts fuel economy in hybrid vehicles

Clegg urges manufacturers to get into schools

Autodesk Q4 revenue up 12%

Power Felt converts heat into electrical current

Green energy start up secures £65million funding

Top 10 emerging technologies for 2012

Maintenance-free system rolls and slides in virtual silence

Report calls for more visionary approach to renewables

New compact, robust draw wire sensor measures up to 5m