Looks at the comparative scale of phenomena in our world, from the vast to the infinitesimal, covering maths, physics, chemistry, biology and technology. Topics range from zero to infinity in maths and time; from subatomic particles to galaxies; from the speed and size of the Big Bang to the size and age of the universe; from the speed of light to the power of gravity; from the size of a White Dwarf to that of a Black Hole; from a strand of DNA to the evolution of life on Earth; and, from the Hubble telescope to nanotechnology. Suggested level: intermediate, junior secondary.