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SUMMARY:Perpetual Computing: Technologies for Banishing Batteries - Prof J
 oshua R. Smith\, University of Washington
DTSTART:20190206T161500Z
DTEND:20190206T170000Z
UID:TALK115177@talks.cam.ac.uk
CONTACT:33450
DESCRIPTION:The energy efficiency of computing has improved by a factor of
  more than a trillion since the electronic computer was invented.  This as
 tounding energy efficiency scaling is creating the opportunity for battery
 -free sensing and computing systems that are powered by radio waves and ot
 her ambient energy sources.  Such devices can be implanted inside the body
 \, permanently built into structures\, or deployed at scales where batteri
 es and wires are infeasible.  I will describe my group’s work aiming to 
 enable battery-free\, perpetual sensing and computing systems.  I will des
 cribe our work on RF energy harvesting\, wireless power transfer\, and amb
 ient backscatter communication\, as well as sensor systems built using the
 se building blocks\, including a battery-free mobile phone and camera syst
 ems.  I will also describe computer science research challenges that can h
 elp make perpetual computing systems a reality.\n\nBiography:\n\nJoshua R.
  Smith is the Milton and Delia Zeutschel Professor in the Allen School of 
 Computer Science and Engineering and the Department of Electrical and Comp
 uter Engineering at the University of Washington\, Seattle\, where he lead
 s the Sensor Systems research group.  He was named an Allen Distinguished 
 Investigator by the Paul G. Allen Family Foundation and he is the thrust l
 eader for Communications and Interface in the NSF Engineering Research Cen
 ter (ERC) for Sensorimotor Neural Engineering.  \nIn recent years his rese
 arch has focused on wirelessly powering and communicating with sensor syst
 ems in applications such implanted biomedical electronics\, ubiquitous com
 puting\, and robotics.  Previously\, he co-invented an electric field sens
 ing system for suppressing unsafe airbag firing that is included in every 
 Honda car. He received B.A. degrees in computer science and philosophy fro
 m Williams College\, the M.A. degree in physics from Cambridge University\
 , and the Ph.D. and S.M. degrees from the MIT Media Lab’s Physics and Me
 dia group.\n
LOCATION:Lecture Theatre 2\, Computer Laboratory
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