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#Mon Aug 09 12:04:20 CEST 2010
Slide__a94GsKOdEd-WfYQ0GneCwQ_subTitle=Jasmina (9 years), Gordana (8 years) and Benni (6 years) make experiments with an alarm clock in a vacuum bell jar.
Slide__a94GsKOdEd-WfYQ0GneCwQ_footer=
Slide__a94GsKOdEd-WfYQ0GneCwQ_title=Experiments with the vacuum