A teaspoon and an open mind: what would an alien look like? is time travel possible? and other intergalactic conundrums from the world of Doctor Who

How do you build a Tardis? What are the secrets of teleportation? Could Cybermen take over the world? Is telepathy possible - even for an alien? Will extra-terrestrials one day visit planet earth on their travels through the galaxy?

Can a robotic dog catch a cold .?Take a journey with the Time Lords as Michael White guides us through the real science behind Doctor Who.

Here he shows us how one of the world's best-loved science-fiction programmes is actually based on genuine theories - some of which could soon become a reality.

Drawing on the latest discoveries, on shows from Star Trek to The X-Files and films like Twelve Monkeys and Contact, he asks (among other things): is time travel possible through a wormhole?

What are the dangers? Could we make contact with life on other planets? How could aliens get here? And how soon until creatures like the Daleks become a reality?

He also looks at areas as varied as crystal power, robotics, shape-shifting and multi-dimensions, not to mention the mysterious science of 'chameleon technology' currently under study by major military research organizations.

We even discover how, with the use of cybernetics to replace body parts - or maybe regenerate whole bodies - Doctor Who could hold the key to eternal life.A book for avid fans and the merely curious, A Teaspoon and an Open Mind reveals that reality is even stranger than science fiction .