A device that picks up a person's sniffs could help those with locked-in syndrome control wheelchairs or surf the web

The refrigerants and power used in air conditioning add a lot to greenhouse gas emissions. Alternative technologies could offer us all a cooler future

Computers make marvellous animations, but someone still has to record the sound effects. When software be able to handle that job too?

Why is wind power derided as subsidised, inefficient and uncompetitive when the opposite is true, ask Jérôme Guillet and John Evans

Your online traces are helping fuel a revolution in the understanding of human behaviour – one that's revealing the mathematical laws of our lives

All major web browsers now offer private modes to hide a user's web history – but the systems aren't foolproof

Superimposing a historic photo on an up-to-date snap of the same scene brings history to life – a new tool can make sure the pictures line up

Two systems now on the starter's grid will allow gamers to compete against real-world professional drivers in real time

Our own universe could be inside a black hole – if an analysis based on a modified version of Einstein's general relativity proves to be correct

Ubuntu systems dropped from Dell's website as company attempts to "simplify" its range