The speed of light enchants the sky. It adds another story to the night. Curiosity, whether scientific or artistic, adds dimensions to the world we walk through. One of the objectives of , the radio series I have presented with Brian Cox for 14 years, is to excite as well as to inform. We don't just want people leaving an episode with, too: the most important concern of each episode is to encourage you to spend more time looking upwards and outwards, beyond our atmosphere and back in time.
