It means you get involved. Technically, our local forms of government are not participatory democracies. Officially, participatory democracy is direct democracy, in the sense that all citizens are actively involved in all important decisions.
It shouldn't if washed with gentle care. Rayon is a cellulose fabric and like most cellulose fabrics, it may shrink when washed. If the manufacturer has indicated the garment should be dry cleaned only, do not push your luck. If it is hand-washable though, you can use the gentle cycle on your washing machine and Woolite to get the job done.
Having problems at home with his wife Diane (Marcia Strassman), struggling inventor Wayne Szalinski (Rick Moranis) has created an electro-magnetic shrink ray - unfortunately it only seems to make things explode. While at work, his neighbor's son, Ron Thompson (Jared Rushton), hits a baseball into the Szalinskis' attic and starts the shrink ray. Ron and his older brother Russ Jr. (Thomas Wilson Brown) and Wayne's children, Amy (Amy O'Neill) and Nick (Robert Oliveri), go up to the attic to retrieve the baseball.