In tunneling physics, a decades-old paradox is resolved

As if the concept of quantum tunneling—where atoms pass through barriers—isn't confusing enough, one of the vexing questions within that area of physics is why particles seem to travel faster than the speed of light when passing through a barrier, but not when they travel through empty space.

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<p><a href="http://www.physorg.com/news73152138.html">In tunneling physics, a decades-old paradox is resolved</a></p> <p>As if the concept of quantum tunneling—where atoms pass through barriers—isn't confusing enough, one of the vexing questions within that area of physics is why particles seem to travel faster than the speed of light when passing through a barrier, but not when they travel through empty space.</p>