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DTSTART:20220327T030000
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DTSTAMP:20260424T114303Z
UID:62ac2da570443522044794@ist.ac.at
DTSTART:20220718T133000
DTEND:20220718T150000
DESCRIPTION:Speaker: Dan Lacks\nhosted by Scott Waitukaitis\nAbstract: We'v
 e all rubbed a balloon on our hair\, and saw the balloon and our hair get 
 electrostatically charged and attract each other. This seems like science 
 for elementary school children. However\, the most basic scientific questi
 ons underlying the charging do not have answers. We cannot predict from ma
 terial properties whether the balloon charges positive and the hair negati
 ve\, or vice versa. We don't know what limits the magnitude of charge on t
 he balloon\, or how long the charge will stay there. And a century-old deb
 ate as to whether electrons or ions are transferred is still going strong.
  In fact\, careful scientific research often leads to confounding observat
 ions that make us feel like we are moving further away from a scientific u
 nderstanding\, rather than closer to one.In this talk\, I will present wor
 k from my lab which we hope gives insights into both the charging and the 
 charge loss processes.
LOCATION:Heinzel Seminar Room / Office Bldg West (I21.EG.101)\, ISTA
ORGANIZER:cpetz@ist.ac.at
SUMMARY:Dan Lacks: Contact Electrification -- why is something seemingly so
  simple so poorly understood?
URL:https://talks-calendar.ista.ac.at/events/3837
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