ESA designs its smallest ever space engine to push back against sunshine

(PhysOrg.com) -- This month an ESA team is preparing to test the performance of the smallest yet most precisely controllable engine ever built for space, sensitive enough to counteract the force of incoming sunshine.

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<p><a href="http://www.physorg.com/news155916067.html">ESA designs its smallest ever space engine to push back against sunshine</a></p> <p>(PhysOrg.com) -- This month an ESA team is preparing to test the performance of the smallest yet most precisely controllable engine ever built for space, sensitive enough to counteract the force of incoming sunshine.</p>