It hasn't been achieved yet, and it seems doubtful that it is possible. You may want to read the Wikipedia article on cold fusion to get a more detailed overview.
To summarize it: the muon-catalyzed kind definitely is possible and is routinely done by researchers in the field - the problem is that it requires more energy to generate the muons than you can get out of the fusion. The Fleischmann and Pons kind appears to have been poor laboratory technique (I'm being charitable here, and not suggesting that it was deliberate fraud).
The depends on what is meant by cold fusion. Cold fusion is nuclear fusion at low temperature, possibly room temperature, and this has been achieved. Cold fusion is sometimes spoken of as a way to produce power from nuclear fusion, and this has not been achieved, as far as we know.
The Fleischman-Pons experiments, which were regarded as promising for power production, could not be replicated, and are widely regarded as being an example of experimenters being misled by false results.
Cold fusion has been achieved in at least one other system, but not in a way that has practical value for energy production. Muon-catalyzed fusion has been shown to work with different sorts of apparatus, but it takes more energy to accomplish than it uses.
There have been confidence scams associated with cold fusion. Anyone considering investing in cold fusion should be cautious.
No, cold fussion is not real. There has never been a credible experiment to produce cold fusion. Several scientists have said that they created it, but have never been able to repeat their results (as needed in a good scientific experiments).
On Earth, not right now. We don't have to technological capability to sustain a controlled nuclear fusion reaction. The only place this is presently possible is within the core of the Sun and stars. Barring some stupendous discovery, we probably won't be able to do this for at least another 50 or 100 years. We are working on it, though.
Cold fusion is a hypothetical type of nuclear reaction. It is un known howvere it is persumed that it would occur at, or near, room temperature, unlike with temperatures in the millions of degrees that is required for what is called "hot" fusion.
The costs of nuclear fusion energy are indeterminate, bacause we have not yet successfully generated a sustained fusion reaction.
The idea of nuclear fusion occurring at room temperature is called cold fusion.
Nuclear fusion doesn't produce energy.
nuclear fusion make more energy and they both make energy and have waste products
Nuclear fusion is itself a difficult enough one to crack!
The costs of nuclear fusion energy are indeterminate, bacause we have not yet successfully generated a sustained fusion reaction.
Yes, it is possible (beam target fusion).
Nuclear fusion occurs at the core of the sun (and other stars) providing huge amount of energy to the rest of the solar system. It has also been achieved on Earth, though not in a controlled and sustained manner.
The nuclear fusion is not used now as a source of energy; probable possible in a far future.
There is very little similarity between present day power plants which use nuclear fission, and any possible nuclear fusion plant of the future
nuclear fusion
Nuclear Fusion
At this time:in a bomb, very cheapin a reactor, not yet possible
Combining two atomic nuclei is called nuclear fusion.
The very smallest "stars" in the galaxy are brown dwarfs. These are starlike objects that have failed to produce sustained nuclear fusion.
Fusion is a nuclear reaction.
The idea of nuclear fusion occurring at room temperature is called cold fusion.