THURSDAY, JULY 7, 1880
MEDFORD MAIL TRIBUNE, MEDFORD ORE.
New Experiments
Suggest Answer
To Photosynthesis
Oiik Wdiio, Tonn. - (Sclouuo
Borvk'o) - New o v 1 (I o n o
itroiiKly hikkcU that the first
top In pholcMytithunlM, tha
vltul rauctlon whuruby nil
ilioun plmita convurt curium
(lloxlclu mid wnlcr Into lu
L'ohu, muy ho purely olcutronlo
, In nuliii o.
, Prof. Wlllliim Arnold biuI
Dr. Rodorlck K. Cliiylun, both
'. of tho blolouy division of Oiik
Itl(lo Nutlonul Luborutory In
' Oiik rtliltio, Tonn., have
luclled by npuclroncoplc moth
; od, tho Initliil chiniKOH Unit
tnko plucu In tho purplo bnc
. tcrln iirnupii whon lllumlniil
, od. They found tho cl niimi to
be the sumo lit lomporiituroii
, from tlluhtly nbovo room
. toniporiituro down to Hourly
absolute zero, which Is 43M.7
"cIomiooji bolow zero on tho
Fahrenheit nciile. At this lut-
tor toniporiituro no ordlnury
' chomlciil chimuos enn tnko
"pliice. Thus tlio roncllon must
bo electronic, tho scientists
roiison.
'. Prof. Arnold and Dr. Chiy
- ton report their work In tho
June Proceeding) of Uie Nil
. tlonnl Acudemy of Sciences.
Prof. Arnold showed In 1057
. til ii t dried chloroplusts (pur
; tides contiilnlnK chlorophyll)
' act as semiconductors.
. First Slap Notad
As a result of their present
reseurch, tho Oiik Itldue sclen
'. tlsls conclude Unit "the first
; step In photosynthesis appears
to bo tho separation of an
electron and a hole In a
' chlorophyll semiconductor."
A hole Is a mlsslInK elec
tron and behaves, In an olcc
: trlcnl field, Ilka a positive
: churuo.
The mechanism of photo
synthesis Is of great practical
, importnnco. It could lead to a
direct and efficient method of
.-harnessing the enemy of the
iiin for tho use of man.
Advisors Urge Navy
Use Civilian Crews
Washington (Sclonco Scrv
.lcc) - The navy's research
ships should be manned by
civilian crews, the National
"Research council - National
TAcademy of Sciences recom-:
mends In a special report.
Tho committee on oceanog
raphy said the use of navy
rerewmen results In excessive
turnover of personnel and
time watted observing "a
.whole host of regulations that
are necessary only for combat
ihlps."
. The committee also recom
mended that the crew be em
ployed by and responsible to
.the laboratory In chargo of
'the ship, rather than to a part
of tho Department of the
"Navy. "This practice could re
duco ship operating costa, as
navy crews are usually con
siderably larger than civilian
crews."
- Research on subsurface cur
rents and the ocean floor will
greatly Increase U. S. subma
rines' effectiveness, the com
inltloe reported. Dr. Harrison
irown, profcusor of geochem
istry at tho California Insti
tute of Technology, Is chair
man of the committee.
Teacher Says Kits
Stifle Imagination
Denver (Sclonco Service) -"
'Do-it-yourself kits that do
not leave much for you to do
except read the directions"
tiflc self-expression, an asso
ciate professor at the Unlver
lly of Tennessee told the
American Homo Economics as
loclatlon meeting hero.
"Who's encouraged to use
his Imagination?" asked Miss
Volma M. Rlley, who teaches
rolntcd arts and crafts.
In Hpfdirn and decorating
problems today, Miss Rlley
aid, people seem to warn
packaged answers, llko the
frnTPn TV dinner ready to
pop Into tho oven. "You and
I know that 'pncKagen an
awcra in interior design Just
will n o t work, nor should
they! In this push-button ago,
we seem to be expected to
nrnrlup mish-hutlon nnswors.
I hope we never come to
that!"
Kh iirirpd educators to up
hold and strive to raise stand
ards of tnsle - in effect, to
"create dissatisfaction."
Miss Rlley said there are
nino nitno n s tnslo Is Im
proving. "The emergence of
the small, simple, economical
American car this year,
hrnnirhl nbnul. bv the Ininnct
of foreign competition," she
aid, "Is tho healthiest ana
most heartening sign of our
times.
FLAT TIRE EMERGENCY
London-IUPll-An emergency
was called Tuesday at Lou
don Airport when a Brazilian
Airlines DC-7 got a flat tire
while taxiing to Its take-off
point. No one was Injured and
the tiro was repaired be
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