From: everything-list@googlegroups.com
[mailto:everything-list@googlegroups.com] On Behalf Of John Mikes
Sent: Saturday, November 16, 2013 12:24 PM
To: everything-list@googlegroups.com
Subject: Re: Nuclear power
Russell wrote:
For all the arguments pro and con nuclear fission, including an
impassioned speech by a 16 year old last night to a UN Youth Voice
competition, what never seems to be discussed is the elephant in the
room of how much uranium resources we have. IIUC, if all fossil fuel
power plants were replaced by conventional fission reactors, we'd burn
through our uranium supplies in about 50 years flat. So fission
reactors do not solve the problem. Of course there is fast breeder
technology, but everbody is so shit scared about all the plutonium that
would then appear on the market, making it incredibly easy for rogue
states to construct nuclear weapons, that I don't see that happening
any time soon either.
Cheers
I keep 'preaching' the benefits of applying geothermic heat AND F U S I O N
nukes (both to be finalized by R&D).
To whine about the inadequacies of the 'available (or not so available?)
others
is not helping. Hydro is shaky by climat warming, Wind may be as well,
>>solar panels would cover most of the planet, so why not concentrate on
what is
feasible?
How do you compute that - the solar flux at earth orbit is above 1,300
w/m^2. One square km of area in somewhere such as Nevada gets about a GW of
solar flux, a square area 100km on a side in the desert SW of the US would
receive a solar flux of 10 TW. If just 20% of this flux was harvested that
very small area compared with the size of the planet would have the
potential of outputting 2TW of power. The amount of surface that would need
to be covered by solar cells is very small compared to the available area of
rooftops and road surfaces. Why not embed solar PV right into the roads we
drive on - it actually makes a lot of sense in many areas.
There is a super-abundance of available solar area and we would only need to
harvest a miniscule fraction of the total available high quality solar
regions in order to produce many TW of output.
Chris
I have in mind (and published on the internet several times) a better
geotherm
than implemented in NZ lately.
If we (humans) survive we will need much much more energy than today's
staple.
John M
On Fri, Nov 15, 2013 at 4:19 PM, Russell Standish <li...@hpcoders.com.au>
wrote:
On Fri, Nov 15, 2013 at 01:01:44PM -0800, meekerdb wrote:
> On 11/15/2013 11:06 AM, John Clark wrote:
> >
> >Lets look at the disasters associated with various energy producing
projects:
> >
> >In 1975 the Shimantan/Banqiao hydroelectric Dam in China failed and
killed 171,000 people.
> >
> >In 1979 the Three Mile Island reactor melted down and killed nobody.
> >
> >In 1986 the Chernobyl nuclear plant melted down and killed 31
> >immediately and 4000 many decades later.
> >
> >In 1979 the Morvi hydroelectric Dam in India failed and killed 1500
people,
> >
> >In 1998 a oil pipeline in Nigeria exploded and killed 1078 people.
> >
> >In 1907 the Monongah Coal Mine in West Virginia exploded and killed well
over 500 people.
> >
> >In 1944 a liquified natural gas factory exploded in Cleveland Ohio and
killed 130 people.
> >
> >In 2011 the Fukushima nuclear power plant melted down and killed nobody.
>
> Not only that, coal mining releases a lot more radioctivity into the
> atmosphere than nuclear plants ever have.
>
> Brent
>
For all the arguments pro and con nuclear fission, including an
impassioned speech by a 16 year old last night to a UN Youth Voice
competition, what never seems to be discussed is the elephant in the
room of how much uranium resources we have. IIUC, if all fossil fuel
power plants were replaced by conventional fission reactors, we'd burn
through our uranium supplies in about 50 years flat. So fission
reactors do not solve the problem. Of course there is fast breeder
technology, but everbody is so shit scared about all the plutonium that
would then appear on the market, making it incredibly easy for rogue
states to construct nuclear weapons, that I don't see that happening
any time soon either.
Cheers
--
----------------------------------------------------------------------------
Prof Russell Standish Phone 0425 253119 (mobile)
Principal, High Performance Coders
Visiting Professor of Mathematics hpco...@hpcoders.com.au
University of New South Wales http://www.hpcoders.com.au
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