GLOBAL WARMING

GunFarce

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DANGLANGLEY

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I've noticed one thing in common with just about all those (global warming nuts). In the same sentence that they talk about the tragedy of earth's temperatures rising they also say "since the last ice age", LOL!!!. Do they even pay attention to what they are saying?. I wonder how many thousand times the earth has been through this cycle?.
 

SomeGuy

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This definitely belongs in the "Politics" forum, as Global Warming as promulgated by Al Gore et. al. has absolutely nothing to do with science; it is, rather, all about socialism.
 

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GunFarce said:
Nope!! Fill a bottle with water and stick it outside (or in the freezer if your outside ain't cold) The water in the bottle freezes, expands and breaks the bottle.. Ice has tremendous expansion forces, and can split thick steel containers as well.. Got antifreeze in your engine? Why? You know why!

The same effect causes potholes. Cracks in the street allow water to seep underneath. The water freezes and causes the street to bulge, making more cracks. The water melts. The street collapses back and cracks apart. Cars drving over the cracked asphalt dislodge it deeper and deeper until a pothole is born.
 

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GunFarce said:
If you could design a planet with 3/4 of it surface made up of the best fuel source, it would be good ole planet earth.. Water is the ideal fuel, it breaks down into hydrogen and oxygen, you burn it, and it recombines into water! The main problem in doing this is the energy needed to crack the molecules.. What they don't tell you is a Nuclear Reactor is more efficient at making hydrogen, than Electricity.. They just need the infrastructure to distribute it

If you must, there's more energy to be obtained from forming water than from breaking it. If you just had an abundant supply of pure oxygen and hydrogen and a way to eliminate the dangers of transporting it in end user vehicles.
 

lucky1777

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Aug 2, 2005
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The one thing that puzzles me about global warming is, what is the ideal temperature of the earth. Scientists keep saying the temp. is rising, but no one says what temp. it is suppose to be. Why?, because NO ONE KNOWS THE ANSWER. Humans have been on this planet for just a tiny amount of time, compared to the age of the earth. But now we think we can tell the earth how and when it is suppose to warm and cool. Have our egos gotten so big that we no longer see how unimportant we as man truly our. We could detonate every nuclear bomb on the planet and wipe mankind completely out, but the earth will still be here and over time will repair all the damage we have done. These warming and cooling cycles have gone on for millions of years and will continue if we are here or not.
 

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Something fishy about that report (imagine that)...

The website says they are making a fuel additive to run cars on, not running the car on water.
 

Nick in NEPA

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peruser said:
GunFarce said:
Nope!! Fill a bottle with water and stick it outside (or in the freezer if your outside ain't cold) The water in the bottle freezes, expands and breaks the bottle.. Ice has tremendous expansion forces, and can split thick steel containers as well.. Got antifreeze in your engine? Why? You know why!

The same effect causes potholes. Cracks in the street allow water to seep underneath. The water freezes and causes the street to bulge, making more cracks. The water melts. The street collapses back and cracks apart. Cars drving over the cracked asphalt dislodge it deeper and deeper until a pothole is born.
Yes, frost wedging...I read that water contracts when it freezes.
 

goldencoin

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peruser said:
GunFarce said:
If you could design a planet with 3/4 of it surface made up of the best fuel source, it would be good ole planet earth.. Water is the ideal fuel, it breaks down into hydrogen and oxygen, you burn it, and it recombines into water! The main problem in doing this is the energy needed to crack the molecules.. What they don't tell you is a Nuclear Reactor is more efficient at making hydrogen, than Electricity.. They just need the infrastructure to distribute it

If you must, there's more energy to be obtained from forming water than from breaking it. If you just had an abundant supply of pure oxygen and hydrogen and a way to eliminate the dangers of transporting it in end user vehicles.

"eliminating the dangers"

Thats what they said a 100 years ago about gasoline. Sure, there will be accidents, but it is actually safer to handle because it doen't pool on the ground. They only thing that is holding us back is where to get massive amounts of hydrogen

Also, this thread is a waste...everyone knows global warming will vanish once nuclear winter come around :P

HH
-GC
 

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GunFarce said:
Hydrogen is actually one of the safer gases.. When it burns, it burns 'up' and away from it's source, leaks will not pool in low spots, waiting to explode, unlike propane or many other types of heavier than air gas..

And gasoline is safer than plutonium.

But your comment is contradictory. You are comparing burning hydrogen to other non burning gases. All gases burn upward in gravity. Hydrogen is lighter than air, hydrocarbons are heavier. So they tend to go in different directions when settling (as opposed to when they are burning). But that point is moot when the gas is being release at high velocity in large volume, it is going to go everywhere. Settling takes time.

My point was that to use hydrogen gas safely, you have to carry around a large pressurization tank. That eliminates any benefit you get. Plus, when a pressurized gas canister is pierced, the gas escapes at high velocity. Gasoline doesn't do that. Then your car accident is in the middle of a large clouds of explosive gas. That's a recipe for explosion. If that explosion takes place early enough, you'll get a jet of superheated gas shooting out of the vehicle.

GoldenCoin said:
Thats what they said a 100 years ago about gasoline. Sure, there will be accidents, but it is actually safer to handle because it doen't pool on the ground. They only thing that is holding us back is where to get massive amounts of hydrogen

Actually, that's what they said before the Hindenberg. And getting hydrogen isn't the problem. Doing it cost effectively is. That's really the central point of the issue. Unless you are going to go nuclear, costs of handling and generation strip out the benefits. And nuclear energy isn't consider politically correct by urban dwelling yuppies who unbeknowst to them (at least here in the Chicago) get 80%+ of their power from nuclear plants.

But Mr Fusion is the answer. I think it will be invented in about 50 years. Then you can forget hydrogen and use banana peels.
 

Casull

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But Mr Fusion is the answer. I think it will be invented in about 50 years. Then you can forget hydrogen and use banana peels.

I certainly hope not, Peruser. Cold fusion (which currently appears to be impossible) would spell the end of the human race. Imagine anyone being able to construct a nuclear bomb without having to go through the security, expense, knowledge, time, etc. to obtain enriched plutonium. The muslim homocide bombers would be unstoppable. Not to mention any other whacko terrorist types.
 

Nick in NEPA

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Interesting bit of info I learned today...Antarctica has been melting for SIX THOUSAND years.
 

GunFarce

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But your comment is contradictory. You are comparing burning hydrogen to other non burning gases. All gases burn upward in gravity. Hydrogen is lighter than air, hydrocarbons are heavier. So they tend to go in different directions when settling (as opposed to when they are burning). But that point is moot when the gas is being release at high velocity in large volume, it is going to go everywhere. Settling takes time.

What non burning gasses? Certainly not propane, or gasoline fumes of which 'both' are heavier than air, and have a tendency to pool. Hydrogen 'rises' before ignition, and continues after ignition. This is why many people 'under' the Hindenburg were never injured unless something fell on them. As for storage, modern storage for hydrogen is in a metal hydride. When these metal powders absorb hydrogen to form hydrides, heat is released. Conversely, when hydrogen is released from a hydride, heat is absorbed. Hydrogen supply containers supply a few atmospheres of hydrogen gas pressure at room temperature. This is the safest method known for storing flammable hydrogen gas. If your hydrogen system develops a leak, the hydride immediately releases a small fraction of its stored hydrogen. The remainder slowly seeps out over a period of hours... Natural gas, which some vehicles use today, 'does' store the gas in high pressure vessels, at an average pressure of 3000-5000 psig. It's not likely these tanks would rupture in a accident, but they can certainly have a valve break off, and then ignite when the plume of flowing gas reaches just above ambient pressure. As it currently stands, Hydrogen is much, much, safer than any other fuel we use today!
 

SomeGuy

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Casull said:
But Mr Fusion is the answer. I think it will be invented in about 50 years. Then you can forget hydrogen and use banana peels.

I certainly hope not, Peruser. Cold fusion (which currently appears to be impossible) would spell the end of the human race. Imagine anyone being able to construct a nuclear bomb without having to go through the security, expense, knowledge, time, etc. to obtain enriched plutonium. The muslim homocide bombers would be unstoppable. Not to mention any other whacko terrorist types.

You'd still need to get the U238 to expose to the neutrons, and then refine the product. If we had this limitless free energy source, we wouldn't need the middle east and could just nuke them first :)
 

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GunFarce_et_al said:
What non burning gasses? ...

You're misinterpreting what I meant by non-burning. What I meant was gases don't pool while they are burning. They pool while they are not. So it isn't fair to compare hydrogen to the other gases when one is on fire and the other isn't. All gases burn upward. But your point of hydrogen rising away from people is certainly a valid one.

As far as current methane vehicles, these are primarily operated by methane producing companies, so cost figures are skewed. Safety data is also skewed because they tend to be larger, safer vehicles. Efficiency is skewed as well, as the vehicles implementing methane tend to have larger engines that can afford to carry the additional tank weight. These vehicles are also restricted in range, somewhat like electric vehicles. This renders them cost ineffective for many applications, and just nuisance for many.

Storing hydrogen at 3 atmospheres (44 PSI) would let you drive about 1 mile - tops. The estimates I've seen would require storage at 30,000 PSI to equal the energy output of gasoline in the same space. Again, unless you want to go nuclear. But most people promoting hydrogen and other alternate fuel equate nuclear power with nuclear weapons and can't form a rational argument about the issue or have an agenda along the lines of an Iowa senator.

Oh and Mr Fusion is a reference to Back to the Future.

Cold Fusion is by definition low energy nuclear fusion reactions occuring near room temperature. That is.. no massive heat explosion. Hence, no bomb. Cold fusion is the holy grail of nuclear science a low risk sustained nuclear reaction without the dangerous side effects. You could put one in every house. It is in essence what everyone pretends electrolysis can be.

Reminds me.. there's a hilarious TV commercial running now where a couple dicusses their new house they are looking for and that they'd like it to be heated by solar power "or even methane". As if methane is some sort of unusual heating fuel.

But none of this has anything to do with global warming anyway. The sun is hotter that's it. When the sun's output is lower again, all the GW freaks will claim victory and go back to waving nuclear protest banners. They need a cause to validate themselves after all....

Some years ago the discovery channel had some show (nova?) about the ocean current in the Pacific reversing from north-to-south to south-to-north. The side effect of which is Antartic ice growth, arctic ice melting and California weather changes. Not sure what ever happened with that. I dodn't hear much after that. But then there aren't billions of dollars to be made in telling the truth. California controls the media....and let the panic begin...
 

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GunFarce said:
Nick in NEPA said:
peruser said:
He doesn't ice take up more volume than water? If all the polar ice is melting, shoulding the sea levels go down? Aren't iceberg 10% about the water line and 90% below? What gives?
Water contracts when it freezes because the particles slow down and they aren't colliding with each other as fast.

Nope!! Fill a bottle with water and stick it outside (or in the freezer if your outside ain't cold) The water in the bottle freezes, expands and breaks the bottle.. Ice has tremendous expansion forces, and can split thick steel containers as well.. Got antifreeze in your engine? Why? You know why!

Yep, that's true. I put some bottles of water in the freezer to put in our coolers and two of them busted!!!

As for Global Warning.....hokey puck!!! It's natures way of rebuilding, reforming, redefining herself. It's been going on long before folks ever walked the earth...atleast I believe so, I wasn't there at the beginning of time....but when I get my time machine complete...I'll be sure to send out my reports to the man who invented the internet.... ;D
 

Casull

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You'd still need to get the U238 to expose to the neutrons, and then refine the product. If we had this limitless free energy source, we wouldn't need the middle east and could just nuke them first

SomeGuy, its my understanding of "cold" fusion that you do not use radioactive materials, such as U238. In cold fusion, you unlock the nuclear energy that is in all matter (i.e. banana peels like in Back to the Future). That's why if it were possible, it would pose such an enormous risk. If you could unlock the energy stored in the atoms of say, an apple, that would be enough to vaporize a ciy block. Scary stuff.
 

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