Origin of Hydrogen

by Satanus 34 Replies latest watchtower bible

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  Satanus

  Then there's americium-242.

  The energy supplied by 1 gram of americium is about the same as that of 1 ton of the best chemical propellant. A few kilos of americium would be sufficient for a 120-million mile voyage to Mars for a spacecraft and its crew.

  http://www.rense.com/ufo/power.htm

  I understand that it's a product of uranium, w a shorter half life. It doesn't occur naturally. Another story is that some experiments w it were being done on the columbia that crashed. http://www.rense.com/general34/thespaceshuttlessecret.htm

  SS
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  peacefulpete

  Interesting discussion, I wish I could add to it. On a note about new militery armour , I read in this month's Na. Geographic about a firm that has genetically crossed goats with spiders.(no joke) They produce spider silk protein in their milk. This is extracted and the resulting fiber is many times stroner than steel yet incredibly light and can be woven into fabric. It will likely soon be used for bullet proof clothing. More proof that milk does a body good.
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  Abaddon

  So if fusion releases energy... and fission releases energy, where is the conservation of energy?

  It's still there. Conservation of energy simply states that you cannot reduce the energy of a 'system'. Let off an atom bomb in a box, and there will still be the same amount of energy in the box before as after. Less mass, more heat, but the same total amount of energy, as energy can be converted into matter (difficult), or matter into energy (quite easy). This is what E=Mc^2 means.

  With fission, a neutron (one of the two types of particles that make up atomic nuclei) smacks into a Uranium atom, and is absorbed. The first atom splits apart, and two atoms (together lighter than the original atom) are created when. Two or three neutrons are also released, and if there's more Uranium nearby, the same thing can happen again and again. This is what makes a bomb or power plant work.

  When the first atom splits, heast and gamma radiation are also released, and the two atoms created by the split also release gamma radiation as they 'settle down' ino their new states.

  All this energy is from the TINY amount of weight difference between the original atom, and the neytrons and two atoms produced when it splits, according to E=Mc^2.

  BUT, there's still the same amount of energy, as nothing's been detroyed, just moved around from matter to energy.

  Fusion is similar, but rather than an atom dividing when hit by a neutron, it's two atoms being banged together at such a temperture and pressure that they fuse into a new atom, heavier than the two individual atoms that fused together, but lighter than them put together. Again, this missing weight is released as energy.

  The released energy is not lost. It goes off and does things.
• 

  Realist

  abbadon,

  as far as i know the effect you are describing can only occur at the event horizon of a black hole. ...its called hawking radiation. i never heard anyone thining about using that somehow. do you have a link for that?

  lucidsky,

  fusion and fission go always in the direction of producing more stable atomic nuclei. the most stable nucleus is that of a iron atom. you can't gain energy from splitting it or fusing it with anything else.

  uranium releases energy when split because the produced nuclei are more stable (have less potential energy). same is true for the fusion of hydrogen for instance. the resulting nuclei have less potential energy...hence energy is released by their creation.
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  FreeWilly

  Hi guys,

  <<uranium releases energy when split because the produced nuclei are more stable (have less potential energy). same is true for the fusion of hydrogen for instance. the resulting nuclei have less potential energy...hence energy is released by their creation.>>

  I thought the actual mechanism of energy release during fission was described earlier. The radioactive stability of an atom is not related to the energy released during fission. They are actually 2 different forces. Stability has to do with Radioactive decay. This is an energy release mechanism, but it results from the "weak nuclear force" which is in a completely different catagory from the energy released during fission. During fission the mass/energy difference from the original fissile material (U235 P239 etc.) and the resulting fission product is the source of the energy release. Basically it take more "binding energy" to hold a big nucleus together. The nuetrons and protons donate some of their mass in order to hold it all together. With large atoms they must donate proportionally more of their mass. For example, if you split them in half the resulting two atoms formed will require proportionally less mass/energy to be donated from the protons and nuetrons in the nuclei. So you have a surplus of energy that gets released in various ways - heat, kinetic, photons etc. Basically it take less combined energy to hold the two smaller atoms together than it takes to keep one big atom together. Thats why splitting certain atoms yield tremendous energy.

  If you look at E=MC2 you can see that the Mass (M) part of the equation is only = to the Energy (E) part of the equation if you multipy it by C (the speed of light) squared! So the fact that the protons and nuetrons donate mass in an atom is really significant. Mass is really a super condensed form of energy.