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Travel by
THE CHINA' MAIE, SATURDAY, DECEMBER 3, 1955.
What w
it be like when man has no gravity to keep him on his feet? One of the few men to try it found that it made him feel-
LOST
IN
SPACE
T
to
"
08
safety will allow, because a quick take-off saves fuel.
HE human body was excessive "g" than the never designed for human frame. But they de- travelling
much the mand as stars. When it sets out on its first space voyage, there are some strange ex- periences in store for it strange, but not all of them surprising.
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Gift
suggestions-
from KOWLOONS LEADING
JEWELLERS
401A-4
little.
of
an
THE strangeness of life without gravity. Three men "Roat" round the controls of a rocket, They are outside the pull of the earth-they weigh nothing, they have no way of selling which is up and which is down. And they will live like this unt? their rockej moves once more into the range of a planet's gravity.
Experts in the United States at the Department of Space Medicine, based at Randolph Field, Texas, have worked out * method So there is the answer to prolonging weightlessness the "g" problem-don't sit for a full-half-minute. up: lie down.
A fast aircraft is put into Take the force of gravity,
After a few minutes' a steep dive to get up speed,
in getting then pulled up into the up- Dr H. J. A. von Beckh for instance: there will be acceleration
the ward leg of a parabola, ex-German scientist living in followed by the downward the Argentine, kept four turtles leg. Just enough engine small kind found in South
American rivers. power is used to overcome air resistence. So the plane follows the same path as it would in vacuum. sup- posing some giant hand had this thrown it up like a stone to
an immense height.
Major Charles
But one day something went weightless travel, perhaps in Yeager, of tho wrong. One of his turtles was matter of hours, pertaps longer, U.S. Air Force, unable to feed itself-it seemed But nobody can prove it yet.
dis- the first man to have become
quite By faster than orientated, and its head darted There are other Bound
of and thither in a vain problema
spaco travel tried hither
but most of them can be solved out this tech attempt to catch the balt.
hero down below-or almost nique in a
The doctor ship and Its crew are still rackot-driven plane. For near
the examined
that it within reach of the earth's ly 10 welghiless seconds all turtle and concluded
went well; then, he
he had lost the use of its
atolith gravitational force, which felt his head grow thick. At organs for some reason.
But extends far out into space, the
巍 fortnight he
ship will rench "escape velocity" and the motor will be shut off. Immediately the problems Are reversed instead of feeling too much weight, the crew will feel no weight at all.
Many people
Του much gravity we know about already. When | you start going up in a lift, just for a few moments you feel a trifle heavier than usual. Taking off in rocket-propelled space-ship hard to understand. The you would get the same
of
kind
sensa-
tion, but much stron- ger and for much longer.
find
Contlouing JOURNEY TO THE STARS
by Dr. ALAN SLATER, MR.S
Normal gravity is called "g." If you are made to feel twice as heavy as normal, then you are undergoing &
force of 2 "g”—and so on. How much "g" can the human frame stand?
Fortunately we know already. Scientists have devised a human centrifuge: it consists of a long arm with a mocked-up cockpit at the end. The faster the arm is whirled round the more "g" is forced upon the pilot undergoing test in the cock- pit.
eyes.
No weight
Surely they must weigh
something?
M.A.C.S..
L.R.C.P.
13th
A
He threw them bits of food, and watched with fascination how they would dart out their heads at the end of their three- inch necks and seize the balt with unswerving accuracy.
заув
after second ho "got the od slowly in no particularly animal was learning once again impression that he was spinning astonished to find that this defined direction." At the 15th to catch its food, apparently by
relying on its eyes alone, second, feeling "lost in spaco," he had had enough of the para- stead of its sense of balance, bola, and pulled out of it.
sound very
But you do not feel weight when you dive off a spring- board. You only feel it when you are being supported by solid earth, or by something promising would-be space that the earth itself is sup- pilots. porting. Away out in space, Yeager lose his sense of direc- the earth is not there
to
This does not
for
tion?
But why did Major
Turtles fly
In-
down below.
1
seponds, before losing conscious- ness, in which to recompress themselves in. pressúra – suita. But it would be a rare ‘and un- likely occurrence, for most meteors are tiny, and de compression
is not likely to ba
as all that
There is still the problem of air conditioning in the cabin. For short journeys, compressed
1
22
...
in cylinders, and / the dioxide breathed out, by the crew can be removed with! chemical absorbent. And, of enough food must be to lost out the voyage!
why
or liquid oxygen car of
mediani Cara
But for long journeys, not convert the ship into a miniature replica of
the earth, which keeps all its life going
-in.
stores without having to take from outside? Here on earth do not have to breathe
cout of cylinders, it
Take the question of harmful radiations
in flying around space, mercifully shielded from we
by our X-rays and ultra-violet light
fast as we and the other
from the sun can be kept out and
thick atmosphere. Weed for us by the plants, by quite thin shielding with animals use it up. In return, suitable materials. But cosmic we give out carbon dioxide rays are still-a problem.
and other waste products which the plants use to build up their Cosmic rays are really tiny tissues-for us in turn to eat. particles of matter travelling at enormous speeds. Space-ships could never carry the weight of shielding needed to keep these THEN como the great experi-
raye out. It
that ment. Dr von Beckh put must put up with them. But all four turtles into a small tank what harm can they do? full of water and took them for
secins
we
Round and round
goes round and THE oxygen
round so does the carbon support you, so you cannot Within our Ekull are two
dioxide, and so does everything have weight.
pairs of delicate little organs; a ride in an aeroplane. It was There is no need to go right else. Couldn't it be made to do they are in the so-called "inner- no ordinary ride. He had asked out into space in search of the same in a space-ship? Weightlessness is going car," curiously enough, along- the pilot to cllinb as high as cosmic rays; they are already at to lead to some funny situa- side the organ which analyses possible, then dive and con- their strongest 70,000 to 100,000 Dr Norman J. Bowman, of
inue diving vertically for seven feet high in tions. Drinks won't stop in sounds. They inform the brain seconds,
our own atmo- Chicago, has worked out a com- the glass, nothing will stay which way gravity is pulling, power to overcome the air re- stop them.
using enough engine sphere, where it is too thin to plete scheme which, he thinks, will turn a spaco-ship into a put unless it is secured, and and they arc called "otolith sistance, just as suggested by
self-contained little planet. The space-medicine men of Texas for producing weightless-
Otolith means "ear
A hindrance
of these organs is seen to
a layer of
chalky
the
ness.
Little damage
During those soven weightless Beconda the doctor
Cred PLASTIC "polythene" balloons: have been sent up to such tempting morsels of food to his turtles weightless
in their heights, carrying mice, plant
seeds, bita of human skin and other living thasë, for exposure
been":
T
of
planta will be green algae the IT is found that more than if you fall asleep on a couch organs."
sort of stuff which you see 4 "g" in the sitting posi- you will flat off it, propel- stone."
scum on the surface of ponds, tion
the causes blackout of ling yourself across
He works out that 4501b, vision; the blood becomes cabin with the force of your
nigne will keep one man going until
head your
on food and oxygen, it it i ao heavy that the heart can breath
fully exposed to sunlight in s with a bump no longer pump it up to the fetches up
suitable arrangement of tanks. against the opposite wall.
UNDER the microscope as weightless water tank.
Latest information, given by But the feeling of having contain But a normal man lying
Fred A. Hitchcock, of. Oblo As he had guessed, the tables to the cosmic rays,
turned. The "disorien down, either on his back or no weight will not be at all particles (the car-stones), which were
at this year's State University, turtle, which had
When this tissue is recovered, International Astronautical Con- on his stomach, can stand funny-at least, to begin can move under the pull of tated"
gravity. Their motion in tras learned
It is found that a few individual gress in Copenhagen, is that the to do without its
have nitted to an adjoining layer of balancing organs, caught its food cells 7 "g" for 10 minutes, or with.
damaged, scheme is already being fried even 10 "g" for up to 100 The sensation will be that microscople hairs. Among these every time. But the other three amounting to only a tiny pro out over there. Men and alzue seconds. One particularly of falling-not for a second hairs is a network of nerves, turtles,
portion of the whole tissue. But will be shut up together in a with balancing organs.
મ and the nerves convey messages intact, could not
their most living tiamies, some of sealed cabin to see how long well-built medical student or two, which is pleasant to the brain, telling, which way weightlos heads to the proffer the cells are continually being they can live happily together
and claims to have withstood enough, but for days on the hairs are being bent by the ed bait and went hungry. destroyed
natural processes laced by by-in effect--"taking in each
Anyway. 17 "gi
voyage to the Moon, or for pull of the chalky "ear-stones." months on a trip to Mars.or
What is the lesson of the has yet to be proved for certain that cosmic rays are...anything Space-ship engineers are
much to worry about.. unlikely to force more "g"
up he was because his "ear- move bla balancing organs. than this upon their crews, We shall not know the stones had no weight.",
Then there is "explosive, de- ear-stones and all before he compression. This can happen because the ship's struc-
answer to this question
sets forth; into the weightless if a scaled cabin cracks, or a ture will no more stand
But are stellth organs really vold?
large meteorite makes a hole in until space flight begins.
Experiments with necessary?
It, 80
that all the air rushes out Till then, nobody can ever animals have shown that in Many experts who have and leaves a vacuum in which be weightless for more than weightless" flight thera organs studied this question think the the crow connot live. They a few seconds at a time. are actually a hindrance.
human body will adapt itself to would then have, just about 15 Next Week:
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· Major Yeager's otolith organa turtles? Must overy
get used to it?
MANDRAKE the magiciaN
NOW I'M READY TO SHOW YOU THE ' ELECTRONIC
MARVEL
Hmm --YOU INSISTED I SEE THIS ALONEF IS THAT GENTLE- MAN WITH YOUT
MANDRAKE IS INVISIBLE TO THE INVENTOR~:
WHAT GENTLEMANT
THAT GENTLEMAN --Huh
By Lee Fall and Phil Davis
MANDRAXE
FUNNY GESTURES. NOW THERE SVAS.
BECOMING: SOMEONE
HERE
SININVISIBLE TO`
MA.ROCKS AS WELLE.
ARE YOU READY
FOR THE
COSMONSTRATION,
MA-ROCKS
It other's washing."
Bo we may soon know! whether one of the most troublesome problems of intera planetary fight can be solved in nature's own way.
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