ACADEMIC LEARNING SERVICES
WINTER TERM 1994 SCHEDULE
TEST PREPARATION WORKSHOPS
Love
*0iou*>Y
y^KT UteTofy
(JRK Preparation: $75
(Test Feb 5. 1994)
Tuesdays K Thursdays
Jan. IS. 20.25.27; Feb I. 3
6 00 pm 8'OOpm
1-06.2 practice exam
5 30 pm 9 00 pm
I .SAT I Ye para t ion: $95
(lest Ivb 12. 1994)
Jan. II. 13. IK. 20. 2S. 27
I 30 pm s oo pm
Feb. I practice esant
3 30 pm 6 30 ym
(»MAT IVrparation: $75
(Test Jan 15. 1994)
Tucs . Weds A- linns Jan 4. 5, 6
3 :30 pm 5 00 pm
3 Saturday. Jan K
9 30 am 11 30 am. 12 M) pm 2 .30 pm
MCAT Preparation: $200
(Test April 23. 1994)
Saturdays
Feb 26. March 5. 12. 26. Apnl 2. 9. 16
9:00 am 4:00 pm
TI-81 Graphing Calculator: $25
Tuesday. Wednesday & Thursday
Jan. II. 12. 13
3:30 pm 5:00 pm
To register contact A.L.S. at 346-3226
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485-1624
Science finds use for
Navy listening posts
BKl.I.KVUE. Wash. (AP) — ()m e, this nation
trained giant electronic: ears on the rx enn. Its
tening for Soviet submarines traveling its
depths.
Now. with the Cold War waning, m ientists
are being given ao.ess to those Navy listening
posts On(* group ih listening to undorsoa onrth<|uakf?s. another to
w hales A third seeks to gather evidence on global warming bv mea
suring how fust low frequem \ sound travels through vast streti lies
of ou‘iin (The warmer the water is. the faster sound will travel.)
Among the partners in this third projei t is the t Iniversity of Wash
ington’s Applied Physics LalMiratory f ounded during World War II
to solve torpedo problems for the Navy, the laboratory still does a lot
of defense research. However, as lab dire* tor and Bellevue resident
Robert Spindel says, nowadays "a lot of the problems we worry
about as a nation are environmental problems, and a lot of those
problems have to do with oceans
Another group of Applied Physic s laboratory sc lentists headed by
Kirkland, Wash . resident Jamie Morison has l«*en engaged in anoth
er "swords-into-plowshares'' effort to measure global warming and
to understand what's happening in the oceans Morison and Belle
vue resident Roger Colony participated in a U S. nuclear submarine s
first c iv ilian mission, spending six weeks this summer amid and
In'iieath Arctic: Oc cum ice.
There is debate, Spindel says, over whether buildup of greenhouse
gases IS c ausing irreversible global wanning by trupping heat. Some
sav yes Others say the effect is self-limiting. They say that as the
earth warms up. evaporation and cloud formation increase, less solar
energy gets through and the earth cools back down.
What s needed is a means of taking the earth's temperature repeat
edly over time.
Right now, Spindel says, most temperature measurements are tak
en on land near population centers There’s no question that cities
are heating up — but that doesn’t necessarily mean that the rest of
the planet is.
Also, land temperatures are hugely variable — which makes it dif
ficult to detect changes in the magnitude of a few hundredths of a
degree [Mir year. The temperatures of the deep waters of the oceans,
on the other hand, are very stable.
To measure changes in the temperature of a particular ocean, you
could monitor the readings of a large number of thermometers strung
from one side to the other — or. says Spindel, you could set out one
transmitter and one receiver and periodically measure the speed at
which sound traveled from the one to the other. This is possible
bee a use loud, low-pitched sound travels easily through water; it's
detectable many thousands of miles away unless blocked by some
underwater mass
Scatter a number of transmitters and receivers around the ocean
basins of the world, he adds, and you’d get a good picture of ocean
temperature changes all over the planet
Just how many transmitters and receivers would be necessary is
still being worked out "We think maybe 10 transmitters and 30
receivers,” says Spindel.
The first transmitter was installed this spring off Kauai, Hawaii,
and is being listened to by Navy receivers in the Pacific. Another is
lieing installed off the coast of California near Monterey.
Transmitting underwater sound is not without controversy.
Some scientists are concerned that marine animals are being bom
barded by rnan-made sounds from such sources os industrial under
water explosions, ocean drilling, ship engines and submarine sonar
devices. Some experts have observed that loud sounds can frighten
whales away from their usual migration routes; others say loud and
underwater sounds may damage the hearing of certain animals,
which could impair their ability to communicate and navigate.
Spindel agrees that this is a concern. However, he believes that the
effw;ts of the 195-decibel sound being used in the ocean temperature
study should be minimal because transmissions will lie as infrequent
as possible — perhaps once a week for 30 minutes. Also. Spindel
says, carriers and other ships produce sound that's just as loud —
and so ian whales.
Announcing the Opening oi
the New Agate Apartments
University Housing is now uking applications lor Wintei Term
assignments to the Agate Apartments The Agate Apartments are located
across from campus on the southwest corner ol lttth Avenue and Agate
Street There are a variety of twenty apartments ranging in rent (rom
$ WO per month to $655 per month Rent includes water, sewer, on site
laundry facilities, waste collection and recycling The Agate Apartments
are next to Campus, close to shopping and boutiques, and central to a
variety of recreational activities These apartments are energy-savers and
insulated to 'Good Cent$' insulation standards You will have first
month's prorated rent and only a $75 deposit is required
11 you are interested in a site tour or an assignment to the Agate
Apanmems, please call the Family Housing Reservation Coordinator at
146-4280
1 Urmrwiy Housing
Family Moutm^Apanmenis
Umvtruty of Or|oa
An Affi'muiivr At lum tdud Opportunity Employer Commuted to Cultural Dive rule
unj umfJutrkf wuh the Amentum wuh Dhaktluf* Ait