Cell Size and Scale lets compare tiny orders of magnitude in biology
Cell Size and Scale is a neat little Flash learning aid from the University of Utah. It gives the viewer a good sense of the relative size of things, starting with a sheet of paper with a line printed in 12-point font, and shrinking all the way down to a single carbon atom.
Along the way you will find an HIV virus (130 nm -- the same size as an influenza virus), E. coli bacterium (3 x ...
One type of program I often forget to load on a fresh Windows install is a good photo resizing tool. Sometimes -- like when I want to create a screenshot tour of an app -- it would make things simpler to just dump a pile of full-size screenshots into a folder and let some little app churn out images resized to the dimensions I need.
Photo Magician is an excellent option. It weighs in at ...





