Singapore on the Hillside

We all know gravity is pulling us down towards the Earth. We usually assume that this means towards the centre of the planet, but that’s actually not the case. It would be the case if the Earth was a perfect sphere with uniform density, but our planet is a lot more interesting than that. Earth…

Experiments in 3D

The other day, after years of working with 3D images, I was surprised by a very basic phenomenon related to anaglyph images. I was walking through the ‘New Perspective on Mars’ exhibition with my red-and-blue glasses on, in search of a picture where adding the 3rd dimension to a flat image really makes a difference….

What’s so special about 3D?

3D is all the rage these days. From blockbuster movies to game consoles and TV sets, two dimensions don’t seem to be sufficient any more. Of course, three dimensions are better than two. We humans – as well as many other animals – have evolved our visual depth perception for a reason, after all; Knowing how…