EmperorOfCanada writes "A 15 year old girl has invented a very cheap and easy way to build your own cloud diffusion chamber; which is a neat way to see various radiation particles leave trails. Radiation such as cosmic rays, background radiation, and any handy radiation sources such as a disassembled smoke detector. Video" Link to Original Source
You can measure a programmer's perspective by noting his attitude on
the continuing viability of FORTRAN.
-- Alan Perlis