Joshua Buck
Headquarters, Washington
202-358-1100
jbuck@nasa.gov
Rachel Kraft
Johnson Space Center, Houston
281-483-5111
rachel.h.kraft@nasa.gov
HOUSTON -- Expedition 31 Flight Engineer
Don Pettit of NASA has taught more than half a million internet viewers how
microgravity affects scientific principles by using everyday objects on the
International Space Station. In the latest video, Pettit takes his
demonstrations to the next level by using sound to oscillate water placed on a
speaker and letting the droplets fly.
The investigation is part of
"Science off the Sphere," a video series featuring experiments of
Pettit's own design intended to show scientific possibilities on the frontier
of space. NASA and the American Physical Society, or APS, developed a
partnership to share the videos with students, educators and science
enthusiasts across the globe.
In the short, downloadable videos, Pettit
has used knitting needles and water droplets to examine static electricity,
demonstrated capillary flow by creating a zero gravity tea cup, used thin water
films to experiment with fluid motion, shared infrared imagery of Earth and
more. Each video includes a physics challenge question to which the online
community is invited to respond.
"The physics community is
absolutely loving seeing what's going on and loving having a different way of
looking at concepts they've spent their lives studying," said Becky
Thompson-Flagg, head of public outreach at APS.
APS, the professional society for
physicists, shares new "Science off the Sphere" videos on its
outreach website, Physics Central. In the latest episode, Pettit's water
droplets dance to music by Texas rock band ZZ Top. Video of the demonstration
will air in the video file on NASA Television at 12 p.m. CDT today.
"Science off the Sphere" is a
successor to Pettit's science demonstrations performed during his stay on the
space station during Expedition 6 in 2002 and 2003 and during the STS-126 space
shuttle mission.
Pettit launched to the space station to
join the Expedition 30 crew on Dec. 23, 2011, with Russian Flight Engineer Oleg
Kononenko and European Space Agency Flight Engineer Andre Kuipers. The crew
will be joined by NASA's Joseph Acaba and Russian cosmonauts Gennady Padalka
and Sergei Revin as part of Expedition 31, who are scheduled to launch on May
14. Pettit, Kuipers and Kononenko will remain on the station until July.
To view Pettit's science demonstrations
performed during his current mission, visit http://www.physicscentral.com/sots.
To view Pettit's science experiments
performed during Expedition 6, visit http://go.nasa.gov/spacechronicles.
For information about the International
Space Station and its crew, visit http://www.nasa.gov/station.
For NASA TV downlink, schedule updates
and streaming video information, visit http://www.nasa.gov/ntv.
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