El.
A
Ordinary Rocks Seen As Future Source Of Nuclear Fuel
New York -(Scientific Am
erican Feature) Nuclear re
actors that produce more fuel
than they consume make it
feasible to "burn the rocks,"
that is, to utilize the vast sup
ply of uranium and thorium
contained not in rich ores but
in ordinary rocks such as
granite, according to Alvin M.
Weinberg, director of the Oak
Ridge National Laboratory.
"Even if scientists fail in
their current efforts to meet
the energy needs of future
generations by learning how
to 'burn' the sea," he says, "an
other energy source about as
abundant is close at hand.
This resource consists of the
enormous quantities of urani
um and thorium dispersed in
trace amounts throughout the
rocky crust of the earth. To
extract the energy the rocks
contain we can draw upon ex
isting technology. Nuclear re
actors that operate on the con
trolled fission of the heavy
elements are already generat
ing electrical power. "We need
only to perfect the breeder re
actor - the reactor that
"breeds' more nuclear fuel
than it consumes and
shall literally be able to 'burn
the rocks.'
Could Multiply Material
"The realization that an es
sentially inexhaustible source
of energy lies almost within
cur grasp has come surpris
ingly late in the evolution of
nuclear power. It was not un
til 1955, at the first Geneva
Conference on the Peaceful
Uses of Atomic Energy, that
Harrison Brown and L. T. Sil
ver of the California Institute
of Technology, demonstrated
that the trace amounts of ra
dioactive elements present in
the granite of the continents
could vastly multiply the sup
ply of fissionable material ac
cessible in ores. In conse
quence of this and subsequent
studies there is no longer any
doubt that nuclear breeding
offers a long-term solution to
society's energy problems.
"Breeder reactors have been
built or are ' under construc
tion in the U. S., Great Brit-
Quotes From the News
By United Press International
Milwaukee, Wis.-Quartermaster 1-c William Floyd, stating
that he and two other seamen were safe even though their
sub lost nearly all its mooring lines in gale-tossed Milwaukee
Harbor:
"We aren't in any danger, we're just cold and uncomfort
able and it's hard to get around down here in the dark."
Atlanta Mrs. Rosemary Brown, of East Poino, Ga.,
fighting back tears at a juvenile home where she found her
four-year-old daughter Wanda who had been missing most
of the day:
"Come on, Wanda, let's go home."
Los Angeles-Dr. R. Bernard Finch, after being asked by
the district attorney prosecuting him for murder whether
the "last time" he had seen a shaving kit and Carole Tregoff
at the death scene was when he threw Carole the kit and
told her to run:
"Yes. they left together."
Chicago Burglar Richard Morrison, who blew the
whistle on police who cooperated with him in his looting,
promising to cooperate with a grand jury investigating po
lice corruption:
"I don't believe I would have started all this if I had
known it would go this far, but now that it has I'm glad."
ain and the U.S.S.R. The first,
the Experimental Breeder Re
actor No. 1 at the National
Reactor Testing Station in
Arco, Idaho, was also the first
reactor in the world to gen
erate electricity, about 200
kilowatts. The U.S.S.R. has
built two breeders at Obninsk,
some 100 miles from Moscow.
And last November the Doun
reay reactor, the first breed
er in Great Britain, began to
operate on low power. A sec
ond U. S. reactor, now near
ing completion, is designed to
yield 62,500 kilowatts of heat
and 15,000 kilowatts of elec
tricity and is about the same
size as the Dounreay reactor.
The smaller U.S.S.R. reactor
is rated at 100 kilowatts of
heat and the larger 5,000 kilo
watts. "It seems obvious that in
the long run the world will
be able to use breeder energy
only if it is cheaper, more
abundant or more accessible
than any other energy source.
One of the most serious poten
tial competitors is solar en
ergy. But the diluteness and
unpredictability of sunlight
argue against it as a primary
energy-source in large power
stations especially because
such a station would involve
a formidable capital invest
ment. It is estimated that so
lar energy will require an in
itial investment of from $1,
000 to $2,000 per kilowatt. To
compete successfully, an al
ternative energy system
should cost less than, say, $1,
500 per kilowatt. Here breed
er reactors have a marked ad
vantage, for their capital cost
should be no more than $750
per kilowatt even if their fer
tile material comes from low
grade sources such as granite.
This estimate drops to about
SPARE THE FLAG!
Atlanta -flJTD- The Georgia
Legislature passed a bill
Wednesday prohibiting use of
replicas of the old Confeder
ate battle flag for advertising
purposes.
"The Confederate flag is
the only relic we have that
the Supreme Court can't get
to," state Sen. Clarence R.
Vaughan Jr. said.
3
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$200 to $300 per kilowatt if
the reactor is started with
cheap uranium from high
grade ores and kept burning
with the relatively expensive
materials from the low-grade
sources.
"As academician N. N. Bol
golyubov, head of the Insti
tute of Theoretical Physics at
the Soviet Joint Nuclear Cen
ter, said to me recently,
'breeding constitutes a trivial
solution to man's ultimate en
ergy problem.' fernaps it is
because of the essential sim
plicity implied by the word
'trivial' that those of us who
are interested in breeding find
it such an exciting technologi
cal development."
MacArthur Still On Serious List
New York - (UPO - Gen.
Douglas MacArthur. continues
to show moderate improve
ment but still remains on the
serious list, a spokesman for
Lenox Hill hospital reported
Wednesday night.
MacArthur, 80, entered the
hospital Jan. 29 for treatment
of a urological ailment and
will undergo surgery for an
enlarged prostate gland when
his condition permits.
MAIL TRIBUNE, MedforJ, Or. Q
Thursday, Feb. 11, 1960 '
Haiti and Liberia are the
world"s two Negro republics.
Lexington, Va.-dTD-Former
President Truman will be the
keynote speaker May 2 at a
mock Democratic National
j Convention staged each pres
idential year by Washington.
& Lee University.
gW
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