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Thanks Patirck & Larry, Mar 3, 2014
It was an article about black holes (March National Geograohic) that =
got me wondering if radioactive decay in the vicinity of an event =
horizon would be slowed. This being an example of extreme gravity I =
gather that the answer would be yes.
Manipulation of some 'constant' property like half-life by =
accellaration to high speed is a convincing doubt-remover. I had no idea =
that this was now possible.
I suppose (perhaps incorrectly) that the slowing of time at extreme =
speed or extreme gravity can be viewed as an increase in resistance to =
change at the molecular or sub-molecular level, i.e. an increase in =
resistance to change in motion at high speed or to change in postiton at =
high gravity. =20
In any case, can the slowing of time by extremes of speed or gravity =
be offset to some extent by increases in temperature ?
Yours truly, Dave Webster
=20
----- Original Message -----=20
From: Patrick Kelly=20
To: <naturens@chebucto.ns.ca>=20
Sent: Sunday, March 02, 2014 10:26 PM
Subject: Re: [NatureNS] Radioactive decay
It would be, but here on Earth increasing the gravity enough to make a =
noticeable difference is not really an option.=20
On the other hand, there is another way to do it which is quite =
commonly used, especially for isotopes with really short halflives. Once =
made, you put them in a particle accelerator (like a cyclotron) and keep =
them moving at almost the speed of light. That slows down time for the =
particles and keeps then around long enough for them to be beamed from =
the cyclotron when needed. At 99.5% the speed of light, time slows down =
by a factor of 10.
Pat
On Mar 2, 2014, at 7:24 PM, David & Alison Webster wrote:
Dear All, Mar 2, 2014
Is the rate of radioactive decay (half life) affected by gravity; =
slower as gravity increases ?
Yt, Dave Webster, Kentville=20
=
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Patrick Kelly
Director of Computer Facilities
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Faculty of Architecture and Planning
Dalhousie University
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MAIL COURIER
PO Box 15000 5410 Spring Garden Road
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Canada Canada
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Phone:(902) 494-3294 FAX:(902) 423-6672 =
E-mail:patrick.kelly@dal.ca
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<DIV>Thanks Patirck & Larry, =20
=
Mar=20
3, 2014</DIV>
<DIV> It was an article about black holes (March =
National=20
Geograohic) that got me wondering if radioactive decay in the vicinity=20
of an event horizon would be slowed. This being an example of =
extreme=20
gravity I gather that the answer would be yes.</DIV>
<DIV> </DIV>
<DIV> Manipulation of some 'constant' property like =
half-life=20
by accellaration to high speed is a convincing doubt-remover. I had no =
idea that=20
this was now possible.</DIV>
<DIV> </DIV>
<DIV> I suppose (perhaps incorrectly) that the slowing =
of time=20
at extreme speed or extreme gravity can be viewed as an =
increase in=20
resistance to change at the molecular or sub-molecular level, i.e. an =
increase=20
in resistance to change in motion at high speed or to change in postiton =
at high=20
gravity. </DIV>
<DIV> </DIV>
<DIV> In any case, can the slowing of time by extremes =
of=20
speed or gravity be offset to some extent by increases in temperature =
?</DIV>
<DIV> </DIV>
<DIV>Yours truly, Dave Webster</DIV>
<DIV> </DIV>
<BLOCKQUOTE=20
style=3D"BORDER-LEFT: #000000 2px solid; PADDING-LEFT: 5px; =
PADDING-RIGHT: 0px; MARGIN-LEFT: 5px; MARGIN-RIGHT: 0px"=20
dir=3Dltr>
<DIV style=3D"FONT: 10pt arial">----- Original Message ----- </DIV>
<DIV=20
style=3D"FONT: 10pt arial; BACKGROUND: #e4e4e4; font-color: =
black"><B>From:</B>=20
<A title=3DPatrick.Kelly@Dal.Ca =
href=3D"mailto:Patrick.Kelly@Dal.Ca">Patrick=20
Kelly</A> </DIV>
<DIV style=3D"FONT: 10pt arial"><B>To:</B> <A =
title=3Dnaturens@chebucto.ns.ca=20
=
href=3D"mailto:naturens@chebucto.ns.ca>"><naturens@chebucto.ns.ca><=
/A>=20
</DIV>
<DIV style=3D"FONT: 10pt arial"><B>Sent:</B> Sunday, March 02, 2014 =
10:26=20
PM</DIV>
<DIV style=3D"FONT: 10pt arial"><B>Subject:</B> Re: [NatureNS] =
Radioactive=20
decay</DIV>
<DIV><BR></DIV>It wou