A nuclear physicists says the key difference between nuclear-powered submarines and conventional submarines is that nuclear submarines won't need to be refuelled.

<p>A nuclear physicists says the key difference between nuclear-powered submarines and conventional submarines is that nuclear submarines won't need to be refuelled.</p>

If it's happening in Perth, you'll hear about it first on 6PR Breakfast with Millsy and Karl!

<p>If it's happening in Perth, you'll hear about it first on 6PR Breakfast with Millsy and Karl!</p>

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