I ?ras
Tolemark ArbeidsrbLaQ, A-
16, 1956.
ARE XINQ lUKUSIZREDIE XWWAY .
TRACES.FR(MATOMIC EXPL0SI(13iS
Certain variationsin ●ir activity have =centl~ been registered
These varlatiomu have occurred shortly after attic uplosionshawe taken place. The variat~~, howver, have not exceetbd
what
is usual
under such eircuwtsnees,
but ~hsy are absolutely
measurablewith the very sensitivolnstramnts which w now have
availab18,says ReaearahChief T eif P. Hvlnden of the Defense 30to Telmk
Arbe
search Institute
‘? derblad.
Sa BorwaT.
The 9articles live for 9aars,
llhena h drogen bomb explodes it seems that radioactiveparticloa
alI the way up into the stratosphere. The particles oan
are thnn
stay there for years and are carried severalthee round the world
with the air currents. After some time they fall to the groundtogether with precipitati~ or in the fozm of dnst.
spreadin~throlxh many channels.
The degree of radioactivityleft in these particles dependson
their span of life. A great n~ber have become inactive. 7hosei
which are still active might after some time find their way to h~
beings through water, soil, anlmalu and plants, but for the pres-t
we have little knowledge of disseminationthis way.
Dlswmination of the radioactivedust takes place over very
large areas. It is only under ~ery special and unusual circumstances
that the radioactiveparticle can fall down again so rapidly and in
such concentrationsthat they can do any ham, says Mr. Winden.
The threat a~aizzsthusuanltr.
According
to the Brttish and the American reports on radioactive
radiationand its effects9 the present and foreseeabledanger frcnn
externalradioactiveradiationis insignificantto human beings on
the basis of the number of atomic explosionswhich have taken place
each year.
I
The reports emphasizethat excessiveratiationleads to various
detrhental effectswith husmn beingso A@ reins genetic defects
which my arise ia future generations,we are still on too umcertain
ground as we have too lltt~e material to build on.
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