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Be on the
lookout for
this
enemy agent
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is what he is.
In 15 minutes he can de
stroy any old illusions or ster
eotypes you have about life
insurance. He can show you
hoyv it pays to plan now for a
protected financial future. He
may seem to be just another
student but he’s armed with a
thorough knowledge of insur
ance and he’s trained to use
it at will. Don’t be fooled. He’s
got a program that’s aimed
at you.
He can be found in our
campus office. Seek him out
today. His thing? Security.
Gordon B. Richardson
Aggie Campus
Carreer Life Underwriter
Phone 713 — 567-3165
PROVIDENT
MUTUAL
LIFE
INSURANCE COMPANY OF PHILADELPHIA
HERE FOR COMBAT BALL—Tvy Peebles’ Medicine for Army ROTC cadets and their dates at the Combat Ball
Show, a talented troupe from Baton Rouge, La., will play which begins at 9 p. m. Friday.
Nuclear Search for Gold
Prospecting by Activation Analysis
University researchers are per
fecting a nuclear technique which
may take the “guess work” out
of finding gold and other valuable
metals.
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(North Gate)
Telephone 846-8319
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6 a. m. Until 10:00 a. m.
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Call 846-2157 to schedule your thesis or dissertation for this semester.
In short, they propose prospect
ing wtih the atom.
The technique employs activa
tion analysis, a procedure in which
materials are made radioactive
by bombarding them with neu
trons. The nuclei of the atoms
absorbing these neutrons become
“activated” through transforma
tion to radioactive isotopes. When
the isotopes distintegrate, they
give off a unique pattern of radia
tion at a unique rate and can be
identified swiftly and positively.
Dr. Richard E. Wainerdi, asso
ciate dean of engineering and
head of Activation Analysis Re
search Laboratory, noted activa
tion analysis can be used to
identify the elements in almost
any material, including rocks,
soils and ore samples.
Using a large reactor, activa
tion analysis can determine the
presence of gold, for example, if
there is as much as seven parts
of the precious metal in one hun
dred billion parts of the total
sample.
In addition to being sensitive,
activation analysis often doesn’t
require the lengthy sample prepa
ration of standaz-d wet-chemical
methods. Also, activation analysis
is a non-destructive method;
samples can be rechecked at any
time.
A&M engineers and scientists,
working with the Sandia Corp. in
Albuquerque, N. M., have de
veloped a portable activation
analysis unit weighing only 30
pounds. It is designed for lunar
or other planet exploration but
could prove to be a valuable tool
here on earth.
Their earth-bound system also
is highly automated, encompass-
Aero Senior Proposes Power
Adaptation for Space Flights
Adaptation of a turbogenerator
power system employing concen
trated solar energy for all types
of space flight missions has been
suggested by an aerospace engi
neering major.
Charles H. Hill points out that
design of a directional solar re
flector would enable use of the
system for an earth orbit mission
or a space probe, perhaps a planet
fly-by, as an auxiliary power
system.
The senior from Moody out
lined his ideas for the design of
such a system in a seminar course
report for Dr. Charles A. Roden-
berger.
Use of solar energy is not new,
Hill noted.
Solar sails have been proposed,
but their weight is too great for
the amount of thrust obtained.
Harnessing solar power in bat
teries has been used in satellites,
but battery weight is undesirable,
he said.
“The most promising method is
a solar reflector which would
focus the sun’s rays on a heating
element,” Hill reported. Propel
lant could be heated for expulsion
or a closed fluid loop obtaining
power through vapor generation
might be employed.
“My design mounts the solar
collector on a support from the
side of the craft,” Hill explained.
“It could tilt and swivel to virtu
ally any angle. If the sun’s rays
were coming from the opposite
side of the probe, the spacecraft
could merely be rotated about its
longitudinal axis to expose the
collector once more.”
He pointed out that the solar
reflector-powered turbogenerator
would supply decreasing amounts
of energy in opeation toward the
solar system’s outer planets.
Turner, *29, Chosen
Man-of-the-Y ear
Federal Highway Administra
tor Francis C. Turner, a 1928
graduate, has been named Man-
of-the-Year by the International
Road Federation.
Turner is only the second
American to receive the award
initiated in 1951 by the world
wide federation.
Republican Senator
STROM THURMOND
SPEAKS ON
CURRENT EVENTS
THURSDAY, MARCH 5 12 o’clock noon
MSC BALLROOM ADMISSION FREE
a political forum presentation
ing a special purpose computer
routine for the rapid processing
of geochemical data.
Dr. Wainerdi said the activa
tion analysis team initially veri
fied its techniques by studying
rock samples from a Llano County
area in which geologists had ex
plored for many years. The
nuclear techniques produced anal
yses essentially matching those
obtained by traditional methods.
Switching from a familiar area,
the group later studied a region
of the Philippines with the aid of
a Philippine graduate student and
in cooperation with the Philip
pine government. In analyzing
samples, they identified a gold
and possibly a cobalt province in
northern Luzon. Expansion of
existing mining operations in the
area is a possible result.
The group headed by Dr.
Wainerdi is now receiving sam
ples from one of the world’s most
highly mineralized regions, an
area east of South Africa’s
Drakensberg Mountains. The area
is rich in gold, diamonds, copper
and other minerals.
Activation analysis has possible
use in exploring the ocean floor,
Dr. Wainerdi added. The group
has found it can distinguish be
tween different regions of the
Gulf of Mexico, based on the
variety of chemical composition
of sediment samples. The study
was conducted jointly with A&M’s
Oceanography Department. Dr.
Arnold Bouma headed the ocean
ography group.
Activation Analysis Research
Laboratory also has initiated
chemical analysis of sediment
samples recovered during the
Deep Sea Drilling Project, which
is being conducted by Scripps
Institution of Oceanography for
the National Science Foundation.
Some of the more than 1,000
samples analyzed to date were re
covered from water more than
three miles deep. Dr. W. E. Kuy
kendall Jr. and B. W. Hoffman
headed the project.
THE BATTALION
Wednesday, March 4, 1970 College Station, Texas Page 5
BUSIER AGENCY
REAL ESTATE • INSURANCE
F.H.A.—Veterans and Conventional Loans
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3523 Texas Ave. (in Ridgecrest) 846-3708
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in hand crochet wool bikini
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SHOP THURSDAY
10:30 A. M. ’til 8:00 P. M.
£ We Sell
TRAVEL too!
Call 846-3773
Engineering,
Math and
Science
Majors
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interviewing
on campus
March 19
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