From the Book - Second edition.
Space. The 4th dimension. To do with shapes
Is there really a 4th dimension?
Matters of some gravity. Apples and moons
Champagne supernova in the sky
The universe. The night sky
Did the Big Bang really happen?
What shape is the Universe then?
1998 : a big year in cosmology
Is the Universe infinite?
Black holes. More to light than meets the eye!
A hole that can never be filled
Falling into a black hole
Time. Times are changing. What is time?
Stephen Hawking gets it wrong
Einstein's time. What is so special about special relativity?
Thought experiments and brain-teasers
Light : the world speed record
Fast-forward to the future
Spacetime : the future is out there
Time travel paradoxes. The Terminator paradox
Trying to save the dinosaurs
Where are all the time travellers?
Time machines. Wormholes. A bridge to another world
Alice through the looking glass
When science fact met science fiction
Wormholes : keeping the star gate open
Visiting a parallel universe
How to build a time machine. Time loops
Cosmic string time machines
A recipe for a wormhole time machine
What do we know? The mother of all theories
The end of theoretical physics
What might new experiments tell us?
Astronomy versus astrology
The fascination of space.
How to build a time machine