BBC Earth

Episode 2 – Time

Preview

For over 3,000 years man relies on the sun to determine time. And it wasn’t so long ago that clocks lost up to 20 minutes a day and no one really took notice, but today we live in a world obsessed by time, measured and controlled by atoms.

From advancements in navigation to how we work, from technology and time travel, none of it would have been possible without the unsung heroes of Time.