Forces out of nothing

When a machine jams, it’s the fault of the engineer - or of physics. The latter is true at least for the first simple nanomachines which are slowed down by the Casimir effect. This force only works on the scale of a few millionths of a centimeter and makes tiny machine parts cling together.

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<p><a href="http://www.physorg.com/news119200202.html">Forces out of nothing</a></p> <p>When a machine jams, it’s the fault of the engineer - or of physics. The latter is true at least for the first simple nanomachines which are slowed down by the Casimir effect. This force only works on the scale of a few millionths of a centimeter and makes tiny machine parts cling together.</p>