vSCIENCE continued from page 11
A sculpture in the Minneapolis Sculpture Garden
and what is going on. Everybody wants to learn about the
rest of the universe.”
The quest is not new. Davis and Bachall were two
scientists in the early days of the Sanford underground
lab, Schild explained. They were involved with the dark
matter and neutrino experiments.
Neutrinos are part of the theory explaining the world
we can’t see or touch, Schild said. An atom consists of
protons, elections and neutrons. For comparison, a
neutrino is 10 times smaller than an electron.
And that explains the importance of using the former
Homestake Gold Mine for research, Schild said.
“The deep underground lab has almost a mile of
crust above it. It’s deep enough that all the neutrinos are
blocked from the outside. Some neutrinos come from
the sun and some come from elsewhere. They pass
through everything. It’s rare they interact with actual
matter,” she said.
“With dark matter, you don’t want
neutrinos to come through. Deep
underground, the neutrinos can’t
penetrate and they can conduct
sensitive experiments about dark
matter.”
As part of their Midwest tours, the
group visited 3M in Brookings and
the MISCO plant in Minneapolis that
produces high tech speakers specially
created for private orders.
A “The Bubble Detector,” decommissioned
and now a sculpture at Fermilab
The Windy City
The Davis-Bahcall Scholars headed
to the University of Chicago, where
they spoke with a geologist about why
the Leaning Tower of Pisa —well,
leans.
The Scholars by The Bean in Chicago
vSCIENCE continued on page 13
The main building at Fermilab
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