LocttIjSm -
The Michigan Daily - Wednesday, March 8, 1995 - 3
Hubble images
reveal clues
about Jupiter
University research scientist John
*Clarke and a team of 19 others took
pictures of Jupiter with the Hubble
Space Telescope during and after the
July Shoemaker-Levy 9 collision.
The images provided the first evi-
dence for measurements of wind
speeds in Jupiter's upper atmosphere
and show atmospheric and electro-
magnetic field disruptions.
The telescope took the images in the
far-ultraviolet range - the shortest
wavelength of light the Hubble can see.
"We found that there were very
large clouds of absorbing materials
raised up into the atmosphere," Clarke
said. Heavier materials dropped down
quickly, but the lighter smoke and
dust particles remained much longer.
These light particles formed dark
rings that showed up on the images.
By tracking these rings, Clarke
*lnd his colleagues were able to make
calculations of the direction and speed
of Jupiter's upper atmospheric winds.
The images also showed that the
comet fragments caused electromag-
netic storms in the planet's aurora -
a phenomenon like the Earth's north-
ern lights. Clarke said the auroras
normally occur near Jupiter's poles.
"We saw aurora in the north where
we never see (them)," Clarke said. He
*ompared this to having a meteor strike
Chile and then seeing an aurora in
Washington, D.C., half an hour later.
Clarke believes an intense stream
of charged particles shot up from the
impact site of one of the comet frag-
ments and was bent back to the sur-
face by Jupiter's magnetic field.
Miniature probes
4breated at 'U,
Researchers at the University's
Center for Neural Communication
Technology have developed probes
small enough to record signals from a
single nerve cell.
"One application is research in the
nervous system," said electrical engi-
neering and computer science Prof.
,.David Anderson.
Anderson said the unique thing
about the probes is that they allow
signals from several cells to be re-
corded simultaneously. This is im-
portant in research on the brain be-
cause it allows not only individual
signals from neurons to be recorded,
but gives information on how mul-
tiple neurons work together.
The microprobes could be used to
Otimulate the nervous system, Ander-
son said. He said a "neural prosthe-
sis" could be constructed in the future
as a replacement for an ear or eye, or
to stimulate muscles.
Researchers plan to construct fu-
ture probes that could deliver chemi-
cals to specific nerves. They also hope
to add electronics to expand the mi-
croprobes' capabilities.
The probes are made of silicon
Wovered with thin films of conducting
and insulating materials and are fab-
ricated in the University's Solid-State
Electronics Laboratory.
- Compiled by Daily Staff Reporter
Matthew Smart
Tonight's Prop. 187 conference sparks debate
By Andrew Taylor
Daily News Editor
Tonight's Jack Walker Conference brings
immigration activists to Ann Arbor for a heated
discussion of Proposition 187. However, pub-
licity for the event is problematic.
"All of our fliers have been ripped down,"
said Krista Donahue, vice president of the Un-
dergraduate Political Science Association,
which co-sponsors the event."Our banner was
cut down out of the trees and stolen."
The conference takes a look at California's
Proposition 187, which voters passed last No-
vember. The law denies government services
such as health care to illegal immigrants.
Ronald Prince will argue tonight in support
of the legislation, which he helped draft. The
Orange County, Calif. businessman is the direc-
tor of Save Our State, the organization that
spearheaded the proposal.
Thomas Gray, special assistant to the vice
chair of the U.S. Council on Civil Rights, will
argue against the proposition.
Donahue said despite many students' opposi-
tion to the proposition, she does not understand why
someone would steal the fliers and banner. "The
University is a place for discussion. It is really sad
that someone wants to stop that," she said.
Department of Public Safety Capt. Jim Smiley
said, "If we find out who the perpetrators are, we
will prosecute."
Smiley said banners are not often stolen from
the Diag. The theft is a misdemeanor punishable
by 90 days in jail.
Jan Liu, program chair for the University's
Asian American Student Coalition, which co-
sponsors the event, said, "Some people don't
believe in free speech, I suppose.
"It's a mean-spirited proposition. The people
it hurts most are the children, the sick and the
people who can't afford health care," Liu said.
"Diseases don't care whether you are a legal
citizen or an immigrant."
Jeffrey Rangle, spokesman for Fuerza Latina.
a student group, said several organizations will
protest the conference by handing out anti-187
information before the event.
"Proposition 187 is a racist and xenophobic
legislation that is.counterproductive to social
progress," Rangle said. "I'm interested to see who
on campus supports this kind of legislation."
UPSA President Kevin Costello said, "Tie
purpose of this conference is not to give a
platform to any cause."
The eighth annual Jack Walker Conference
will be held tonight at 7:30 p.m. in the Rackham
Auditorium. Walker, who established the con-
ference to discuss current events, chaired the
political science department until his death six
years ago.
House panel to
hear 'U' prof.
speak on racism.
.
Looking for work
Curt Gerston of YMCA Storer Camps speaks to LSA senior Rafael Pinedo at the summer job fair held in the
Mighigan Union yesterday. Sixty-six businesses were on hand to speak with students.
Archer proposes environmental
changes for some industrial sites
DETROIT (AP) - This city of 1
million needs environmental rule
changes to reuse abandoned indus-
trial sites and slow the sprawl that is
gobbling the region's remaining open
spaces, Mayor Dennis Archer said
yesterday.
"We presently are hamstrung," Ar-
cher said at a state conference on
urban redevelopment. "We want to
be able to turn land that at present no
one will touch into something us-
able."
About 100 government, business
and environmental leaders have gath-
ered in Detroit this week for a confer-
ence on the problems of urban growth
and decay.
Archer and others speakers out-
lined the factors leading to the decline
of central cities and the unchecked
spread of low-density suburbs.
He painted a stark picture of
Detroit's decline in the past half cen-
tury, including the population having
fallen in half, from nearly 2 million in
the early 1950s and, the city having to
take over 43,000 parcels of aban-
doned land. About 10 percent have
pollution problems.
Government policies, some of them
designed to help cities, drew much of
the blame. They include the creation of
the interstate highway system and "pol-
luters pay" environmental legislation.
The polluter pay laws are designed
to hold those who cause environmen-
tal problems responsible for the cost
of cleanup.
But they have the side effect of
encouraging developers to use "green
field" sites on the outskirts of metro-
politan areas, rather than "brown field"
sites in central cities or older suburbs,
they said.
"We're now paying the price for
inadvertent and unintended toxic
waste that was left behind," Archer
said.
As developers shun central cities
for the outer edge of metropolitan
areas, they destroy farmland and con-
tribute to further environmental deg-
radation.
Thus, laws intended to protect
nature can contribute to destroying it,
he said.
"Why not keep our green spaces
green?" he asked. "If we keep going
out into our rural areas, what open
What's happening in Ann Arbor today
space do we have left?"
The state Department of Natural
Resources and federal Environmen-
tal Protection Agency have shown a
willingness to make it easier for central
cities seeking to lure developers, he
said.
The DNR, for example, has come
up with waivers that exempt lenders on
new projects from responsibility for
cleaning up undiscovered wastes. And
the EPA is assigning one of its staffers
to work in Detroit on redevelopment
issues.
Archer expressed optimism that
business and government at all levels
can overcome the forces behind ur-
ban abandonment and suburban
sprawl. But other mayors were more
pessimistic.
"What we face is a crisis of politi-
cal will to solve some of these prob-
lems," said Lansing Mayor David
Hollister. "There's a sense in our sub-
urbs that we don't have as stake in our
cities."
"Racial avoidance" of Black areas
by white-run businesses is a serious
problem, said Flint Mayor Woodrow
Stanley.
Tuition aid
for Native
Americans
to continue
SAULT STE. MARIE, Mich. (AP)
- The state probably will continue
paying college tuition for qualified
Native Americans in Michigan, al-
though Gov. John Engler is not seeking
renewal of the program, akey legislator
says.
Sen. John Schwarz (R-Battle Creek)
chairman of the Senate Appropriations
subcommittee on highereducation, said
yesterday he would push to continue
the program and boost its funding 3
percent.
The bill currently is pending in the
House.
Schwarz said he did not expect much
difficulty keeping the program alive.
"There are enough really adversarial
By Jodi Cohen
Daily Staff Reporter
Pharmacology Associate Prof. Tho-
mas Landefeld plans to address racial
harassment and discrimination concerns
at the University as he speaks today
before the House Appropriations sub-
committee on higher education.
"I hope that (the committee) con-
siders this enough of a problem that
they would investigate and establish
the degree of the problem and how to
address it," Landefeld said. "They
have the potential
to say, 'We won't
give you as much '
money."'
He will speak
on behalf of
PEACE (People,
Equity, Activism,
Commitment,
Education), an or- A
ganization con-
cerned about racial Landefeld
discrimination.
"I want to make them aware of my
group's feelings on the pervasiveness
of prejudice on campus, so when they
are considering funding, they consider
this a concern for external investiga-
tion," Landefeld said.
Vice President for University Re-
lations Walter Harrison said he doubts
Landefeld will have an impact on the
committee.
"I would be surprised if it has any
real effect. It is unusual for the House
Appropriations Committee to hear tes-
timony frompeople like Dr. Landefeld,"
he said. "I am confident that they will
weigh his testimony, and it will have no
real effect on their deliberations.
Landefeld said it is important to put
pressure on the Legislature, even if it
means less funding for the University.
"We don't want to see money go-
ing into a system that is allowing rac-
ism," he said. "I think that if changes
will be made for equal rights, I would
not consider that detrimental."
Harrison said racial allegations are
always investigated when necessary.
"Racism is something we are con-
cerned about, and if he has substan-
tive points, we will certainly investi-
gate them as we have done in the
past," he said.
Rep. Donald Gilmer (R-Augusta),
who chairs both the House Appro-
priations Committee and its subcom-
mittee on higher education, said there
is a possibility that the committee
may not hear Landefeld's testimony.
"He is the last person on the
agenda, but we always try to accom-
modate people," he said. "I am hop-
ing we are able to get him in."
However, Landefeld did have the
opportunity to speak on another edu-
cational issue in Lansing yesterday.
He testified before the House Ap-
propriations subcommittee on com-
munity colleges in its hearing on Gov.
John Engler's proposal to close High-
land Park Community College due to
budgetary constraints.
"They are talking about closing
down a community college that serves
a community that is sociologically
and economically disadvantagedy"
Landefeld said.
Eugene Henderson, higher educa=
tion consultant for the Michigan De-
partment of Education, considered
Landefeld's comments appropriate.
"I thought he was right on target
regarding the importance and impact
that the institution has on the eco-
nomically and academically
advantaged," he said. "Highland Park
is an opportunity for many students
who probably wouldn't attend an-
other institution."
While addressing this issue;
Landefeld represented the National
Urban Education Association and
PEACE.
"My involvement is that I am very
interested in educational issues and
minority affairs," he said. "Commu-
nity colleges are not so much an aca-
demic issue, but now it seems more
an economic issue, especially for mi-
norities."
But Henderson expressed concern
that both of Landefeld's testimonies
may be futile.
"I think nothing will happen, un
fortunately, because (Michigan)
schools are autonomous, and they
have the right to do what they want to'
do. I admire him for what he is doing,
but they will take notes and nothing
will happen," he said.
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