This is grossly off-topic, unless you think that better super-computers are an aspect of electronic design, but I did find it interesting.
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The nickel-78 nucleus they are making a fuss about is a bit odd - 50 neutrons and 28 protons (which makes it doubly magic).
Regular nickel is 67% nickel-58 and the atomic weight is 58.7 so nickel-78 is an outlier, with a half-line of about 120msec, but it is important in the supernova nucleosynthesis of elements heavier than iron.