Global Positioning System

The best clocks now lose only a second every 300 million years – and those tiny time-keeping differences are changing our world. David Robson reports.

We should feel safe uploading selfies and personal information to social networks and apps if our identities are hidden, shouldn’t we? Far from it, in fact.

Cars increasingly rely on technology designed to make driving easier and safer. But are these improvements creating less-skilled drivers?

Plans to launch an African space agency are underway, and the involvement of George Clooney provides an unusual twist.

Our hunger for wireless data is threatening to crash our communication networks - but there are ways to avoid disaster.

It has brought military grade satellite positioning to the comfort of your car. But how does it work? James May steers us through the science behind sat-nav.

Innovations may have revolutionised ship safety in the 100 years since the Titanic’s fateful maiden voyage, but no-one will dare repeat the foolhardy boast.