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#Mon Aug 09 12:04:20 CEST 2010
Slide__bqSgwKOdEd-WfYQ0GneCwQ_title=Experiments with the vacuum 3
Slide__bqSgwKOdEd-WfYQ0GneCwQ_footer=
Slide__bqSgwKOdEd-WfYQ0GneCwQ_subTitle=A chocolate marshmallow expands in the vacuum and collapses when the normal air pressure is reestablished.