This is a piece of fluff that dissolves like a sugar cube as you watch it.

CNN: Review: Con is on with 'The Swindle'

There she is, right over here -- invented a new type of sugar packet that dissolves in hot water.

WHITEHOUSE: President Obama Speaks at White House Science Fair

So icing sugar, for instance, dissolves more quickly in water than does the granulated form.

ECONOMIST: Small wonders