Dangerosity of 28 ton TNT, or less...

It is not so much the power, but the reaction rate that makes an explosion. A stick of dynamite and a cheeseburger have similar energy densities. It is more about how fast they burn.

If LENR really is some sort of NR, then the reaction rates potentially could be very high, since nuclear events are rarely slow.

Quote from Alan Smith

I agree with Biberian and Ruer. The biggest danger from LENR is the chance of an accidental explosion of stoichiometric mixtures of hydrogen/deuterium and oxygen created by electrolysis.

This is easy to prevent. With an open cell, use ventilation to blow the gas outside. With a closed cell, use a recombiner AND a pressure release valve in case the recombiner fails. All cells should be placed behind something like heavy Plexiglas so if they do explode they will not hurt anyone.

The only event in which this was a danger was the explosion at SRI. Several fail-safe devices failed, in a tragic coincidence. That was a steel cell. Most cells are much weaker and will fracture before they build up enough gas to cause a serious explosion.

I believe most experts do not think a cold fusion reaction can go rapidly out of control and cause a large explosion. It will melt before it explodes. Some experts worry about an explosion. Fleischmann did, and one of his early cells did explode. So, there's that.

Quote from Shane D.

Something to keep in mind, is that BLP is trying to sell the explosive potential of their reaction to the military. According to the last update, they are sponsoring an open house for them this month with that in mind. Whether or not Mills has a super chemical effect, or LENR remains to be seen. I believe though, Wytennbach thinks Mills is mistaken, and it is LENR.

Mills might be wrong on the theoretical description of his Hydrinos, but is he completely wrong on the practice too?

If he's obtaining some sort of "deep orbit" hydrogen like Wyttenbach also thinks (I believe), then the amount of energy liberated with this step will be only limited by the amount of hydrogen that can be converted at once, which even at "just" a few hundred eV per atom it's going to be very large compared to ordinary chemical reactions that are in the order of a few eV.

The "dense hydrogen" product obtained, due to its high bond energy should be very stable and not undergo nuclear reactions easily; after all it's supposed to be the almost completely inert dark matter. This could be understood as the proper LENR fuel. However, while on one hand the reaction rate will be slow, on the other the energy per reaction will be very large, so whether it will be dangerous or not could simply be a matter of accumulation.

If enough of the material can be concentrated in one place, the energy liberated per reaction itself (MeV of ordinary nuclear reactions to potentially hundreds of MeV if Holmlid is to be believed, due to annihilation processes) could easily overcome the difficulties in igniting it by ordinary means (thermal, etc).

I find this sense of safety that some have about the observed LENR phenomena a bit misplaced, to be honest.

Quote from can

Mills might be wrong on the theoretical description of his Hydrinos, but is he completely wrong on the practice too?

If he's obtaining some sort of "deep orbit" hydrogen like Wyttenbach also thinks (I believe), then the amount of energy liberated with this step will be only limited by the amount of hydrogen that can be converted at once, which even at "just" a few hundred eV per atom it's going to be very large compared to ordinary chemical reactions that are in the order of a few eV.

The "dense hydrogen" product obtained, due to its high bond energy should be very stable and not undergo nuclear reactions easily; after all it's supposed to be the almost completely inert dark matter. This could be understood as the proper LENR fuel. However, while on one hand the reaction rate will be slow, on the other the energy per reaction will be very large, so whether it will be dangerous or not could simply be a matter of accumulation.

If enough of the material can be concentrated in one place, the energy liberated per reaction itself (MeV of ordinary nuclear reactions to potentially hundreds of MeV if Holmlid is to be believed, due to annihilation processes) could easily overcome the difficulties in igniting it by ordinary means (thermal, etc).

I find this sense of safety that some have about the observed LENR phenomena a bit misplaced, to be honest.

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The reason for a low position of electrons in Holmlid theory is superconductivity in the hydrogen molecule. The Meissner effect pushes all electrons out of the positively charges core of the molecule and a shell of electrons forms a cloud of negative charge close to the positive nucleus of the hydrogen molecule.

When the Meissner effect is strong, the election cloud is pushed to a distance far from the positive charged core, When the Meissner effect is the weakest, the election cloud is pushed to a distance nearest from the positive charged core.

There is no case when the electron cloud will be forced into the positive core of the molecule. When the superconductive condition fails, the Meissner effect will terminate, and the electrons will resume their normal orbits and the ultra dense molecule will fail and devolve.