Everything you need to know about lithium-ion batteries but which car makers forgot to tell you
Battery longevity & how the cells degrade determines the useful life of your electric car & how much someone will be prepared to pay for it second-hand
Nuclear submarine supplier to be sold to US buyer after diplomatic row
Ultra Electronics provides parts for Britain's Trident-carrying submarines
Why you need an Android smartphone with a thermal and IR camera (photo)
These are powerful tools in the hands of engineers and technicians
