Section 3
Quantum Tunneling and Conservation Laws
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By Boundless
Boundless Physics
Physics
by Boundless
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![Thumbnail](../../../../../../figures.boundless-cdn.com/17057/square/p2m0.jpg)
Quantum Tunneling
If an object lacks enough energy to pass through a barrier, it is possible for it to "tunnel" through imaginary space to the other side.
![Thumbnail](../../../../../../figures.boundless-cdn.com/12710/raw/nuclear-fission.jpg)
Conservation of Nucleon Number and Other Laws
Through radioactive decay, nuclear fusion and nuclear fission, the number of nucleons (sum of protons and neutrons) is always held constant.