[hackerspaces] Radical Solution To Save The Ozone Layer
Jesse Sanford
jessesanford at gmail.com
Tue Oct 18 15:16:19 CEST 2011
Ha you sound like my father. As I alway tell him. With great knowlege
comes great apathy.
Sent from Space!
On Oct 18, 2011, at 8:01 AM, B F <bakmthiscl at gmail.com> wrote:
> Ozone is very easily produced by exposing an oxygen atmosphere to UV
> light. My little solar-powered bug zapper (with a UV lamp to attract
> bugs) produces enough ozone for me to smell. (Yes, I can smell ozone.
> I understand that not everybody can.)
>
> Well, the sun is an excellent source of UV light, especially in the
> upper atmosphere, before it gets filtered out BY the atmosphere.
>
> So the question you need ask is why, with all this UV present, is the
> ozone hole appearing? I don't really know the answer. In the past
> this was (correctly) attributed to certain polluting gases -- freons
> -- that react with ozone in the upper atmosphere and destroy it. I
> don't know whether that is the reason for the reappearance of the
> ozone hole. I'd read somewhere it was related to weather conditions:
> "The cause for both the Arctic and Antarctic ozone holes is the same,
> the study says: unusually cold conditions that convert chemicals
> produced by humans into ozone-gobbling forms of chlorine. Although
> the release of ozone-depleting substances was limited by the 1989
> Montreal Protocol, scientists say the long lifetimes of such chemicals
> once in the atmosphere will ensure Antarctic ozone holes for decades
> to come." (http://www.mercurynews.com/green-living/ci_19106418) So
> it's weather conditions plus long-lived pollutants.
>
> Bottom line -- there's plenty of oxygen and UV up there, but the rate
> of formation of ozone cannot keep up with its rate of depletion.
> Until the freon-like pollutants disappear, that condition will remain,
> at least sometimes.
>
> So, if you want to prevent ozone holes, (1) work to further reduce
> such pollution, and/or (2) come up with a means of scavenging these
> freon-like pollutants from the upper atmosphere. (Good luck on that
> second one -- you'll need it!)
>
> Okay, now back off and ask why this matters. "Depletion of ozone in
> the upper atmosphere allows more ultraviolet radiation from the sun to
> reach the surface, potentially causing an increase in skin cancer and
> other health problems. " (ibid.)
>
> Notice that this does NOT say anything about the melting of the polar
> ice caps. Those ice caps ARE melting, but that is not due to a hole
> in the ozone layer. Okay, maybe the hole contributes slightly by
> allowing more high-energy light through, but that's probably neither
> here nor there.
>
> In fact, the ozone hole and the melting of the ice have nothing to do
> with each other. The melting of the ice is due to the increased
> thermal load of the Earth. This is sometimes called "Global warming",
> but there's really no great warming involved.
>
> Here's why: Take a styrofoam cup or insulated coffee mug. Fill it
> 3/4 full with ice cubes, then all the way full with water. Stir.
> Insert a thermometer and read the temperature. It will be 32*F (=
> 0*C). Now it should be obvious that if the room is warm, heat will be
> entering the cup from the top. As a result, the ice will melt slowly
> (or fast). From time to time, stir a little more and take another
> reading of the thermometer. It will still read 32*F. Some time
> later, only a little ice will remain. If you stir again and read the
> thermometer, it will still read 32*F! Not until all the ice is melted
> will the water temperature begin to rise. All the heat entering the
> cup is going to melt the ice. Not until the ice is completely melted
> will the water temperature begin to rise to room temperature.
>
> The Earth is the same way, except, despite all the winds and currents,
> the stirring is incomplete. Also, the "cup" is non-insulating, so
> heat enters across broad areas and even radiates away on the night
> side. All this gives rise to extensive weather patterns and changes
> in temperatures. But the ice is melting. When all that ice melts,
> the temperature of the Earth WILL begin to rise.
>
> But all is not lost. When crops fail and lowlands are flooded by the
> rising sea, international forbearance is sure to fail, resulting in a
> thermonuclear war. This will load the atmosphere with dust for a few
> years which will shade the Earth and cause a precipitous drop in
> temperature and a reforming of the ice caps and glaciers.
> Furthermore, any decent war will bring an end to our fossil-fuel-based
> economy, so greenhouse gas emissions will drop off precipitously.
>
> Life will go on. Probably on six legs.
>
> On Tue, Oct 18, 2011 at 7:30 AM, David Venancio <metabaron at massmulti.org> wrote:
>> Thanks, I'm quite overloaded with work atm but you'r right.
>>
>> I'v posted the same text on my blog here : http://david.venancio.free.fr/?q=node/35
>>
>> Please everyone try to do it if I can't (at least this week). Next week I'll find time to continue on this idea.
>> Thanks again and RiseUP !
>> --David
>>
>>
>> Le mar 18/10/11 13:02 , Petr Baudis a écrit::
>>
>> Hi!
>>
>> On Tue, Oct 18, 2011 at 12:49:32PM +0200, David Venancio wrote:
>>> My proposal is to build a stratospheric baloon equiped with Solar Panels and the a quite huge Ozone Producer (electric arcs produced by Coupled inductors + Capacitors based on Nikola Tesla's invention). Eventually several baloons.
>>>
>>> I KNOW this may sound crazy, mad, stupid or whatever BUT will we stay like this watching the ice melt down ?
>>
>> When I imagine this in action, I gotta say it would look madly cool.
>> :-)
>>
>> However, if you want to convince people to get seriously interested,
>> I think you should present at least rough back-of-the-envelope
>> calculations and few crucial numbers:
>>
>> * How much ozone is being depleted, i.e. what exactly are we trying to
>> combat.
>>
>> * How much ozone would you be able to generate with a single
>> reasonably-sized and reasonably-priced device given current solar
>> panel and battery technology.
>>
>> --
>> Petr "Pasky" Baudis
>> We live on an island surrounded by a sea of ignorance. As our island
>> of knowledge grows, so does the shore of our ignorace. -- J. A. Wheeler
>>
>>
>>
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