It was natural to form a pyramide – well, a cone, anyway. He’d experimented this morning. Grain, salt, sand … not water, though, that’d been a mistake. But a pyramid was only a neat cone, wasn’t it, a cone which had decided to be a bit tidier.

Terry Pratchett

I am currently a lecturer at the University of Sydney, working on granular media, breakage etc. Click on the images below or on the menu above to know more about these.

Granular media Breakage
Granular Breakage
Colloids Monodispersed bubble medium in a rotating tumbler.
Colloids Bubbles
Publications Publications