TIDE MICHIGAN DAILYM
,1A , "L ;1 i1 li ~t
Ra pid T rum p'
FOR R ADIO ACT IV E SUBST ANCES:
Ridenour Checks, OK's All Nuclear Experiments
By EDGAR SIMONS
Daily Bridge Columnist
BY GERALD LUNDY
Most people would probably
agree that handling radioactive
It isdificultto realzethat
tre aresomepeople wore
iaslost daily in poessayor f
anotche bthPrng.nGerlng, hie- st
nursifty'e Unieriy's SConol
As chief safety officer of RCS,
Y r 2'2, } t> 1 tion of the presence of radioac- The work of Prof. Ridenour and
tivity. Ihis staff, and similar staffs all
ationinthe atmosphere. atrialscanbae
URO ,SERS and SKI T
OUR N We H lr
MONDAY THRU FRIDAY
Fourth and Washington Phone NO 2-3488
:- - -
4 P r 4 sit ras it is his job "to see that proper i
34 P 44 ll passprecautions are established ink: y
Among the many problems in experiments involving the use of aea e
bridge, not the least is the problem radioactive materials to insure
of knowing when there is a prob- the safety of those conducting the
lem, and when a problem is cre- experiment as well as individuals! DUAL PURPOSE-In a duotesi
ated. In today's hand there is no! in the area who might be exposed counter to determine radioactivit,
problem, but one is created by to atomic radiation. the efficiency of the washer.
south and it is discovered byI Presently there are approximate-
east.- ly forty research laboratories on measure the amount of radiation
North bid aggressively as he felt; campus conducting research pro- that a worker comes in contact
hls high cards would be very use- jects that involve the use of with."
ful with, south's long suit. West radioactive materials. The film badge is made of metal
opened the four of hearts, and! In all of these experiments, high with a space for the insertion of
when dummy was spread south' or low level, great care must be a small square of unexposed film,
noted that he would lose two exercised to insure against over-. much like that used in the ordi-
spades and a diamond.' exposure to radiation.I nary camera. Atomic radiation
Hence declarer cashed the' ace However, if a person should re- affects unexposed film in much
and king of clubs, discarding the ceive an overdose of radiation all the same manner as light waves.
two losing hearts from his hand. precautions are taken so that no Worker "Lays Off" .
Now declarer began to draw trump ill-effects will result. If the maximum of 300 milli-
The first spade trick was won by It is theoretically impossible for roentgens should be exceeded, the
west who then led a heart. This a person who uses radioactive! safety officer makes certain the
was trumped by south and another materials in his occupation to be worker "lays off from the job"
round of trum~p was led. Now the completely free from radiation, for a certain length of time so
monster was created. according to Prof. Ridenour. that radiation will decrease.
East won this trump lead and Maximum Radiation -In high level experiments, Prof.
led a third round of hearts. South The average amount of radia- Ridenour and his staff are present
began to squirm as his trump was tion that a person can absorb in so that safety rules are properly
being used up at high speed. He one week without ill-effects is 300, observed. In such cases he is con-
now held two trump and the op- milliroentgens. suited on the experimental set-up
ponents one, andl the ace of dia- A milliroentgen is a unit of so that the least amount of hazard
monds had not been driven out. measure used to compute the is risked by the group performing
Before drawing the last trump amount of radiation absorbed in a the experiment.
south led a diamond. East won( given amount of time. In this type of an experiment a
this immediately "and led his Prof Ridenour sees that all "dry-run" is made to insure
fourth and final heart. Once again; people working with activated ma- against any errors that may occur
south had to trump, lest oppon- terials wear what is known as a in the final setup.
ents win their fourth trick. "film badge" which is used to During the actual experiment
East and south now held one --------- -
trump, and the diamond queen in
dummy blocked that suit. Southj
could not lead a diamond as he
would have no way of leaving
dummy without establishing the
setting trick for the opponents.
In a last desperate attempt to
kill the monster he had made,
south drew the last trump and dis-
carded the queen of diamonds Al t
from the dummy. This, however,
established east's nine of diamonds
at the end for the setting trick.
South was careless as the con-
diamnd i s drivenout hearly.It
was north who ended matters by O AE
suggesting his partner not play
hands unless the trump suit is
Installment buying has not stif-
led the American will to save,
according to Prof. George Katona
of Survey Research Center. a n a a ieo h
Prof. Katona reports that many
middle-class families buy goods
on the installment plan and still -.
set aside funds for saving. 5 l
This is especially true of those 4 t~ g l
who feel optimistic about their
family's financial future, he add-
Hillel Now Of fers
MYST ERY with its MEAL
1l A.M. to 5:30 P.M.
7 P.M till 9 P.M.
A Prof. Ridenour reads geiger
y of clothing after washing and
Prof. Ridenour makes geiger read-
ings of the experiment so that no
one will receive an overdose of
On low level experiments neither
staff supervision nor dry-runs are
necessary. However, the worker
must conduct the experiment ac-
cording to set safety standards.
Furthermore, the safety officers,
make "a constant survey of the
different laboratories to observe,
how safety rules are followed.
Prof. Ridenour and his staff
supervise all activated materials
w/hich enter the University. All!
requisitions for these materials
issued by the University must first
be approved by them.
Prof. Ridenour and his staff
have at their disposal some of the
most modern equipment for detec-
1204 South University
"DA NGE ROUS
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We will be more able to serve you
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Sunday, December 16
Following Supper Club
Time: 7:15 P.M.
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