The first tests showed that the human body was a very unstable platform.

In spite of the unstable platform under him, the turret gunner shot back.

If he had to draw quickly, the swing would give him an unstable platform.

Up in the air on an unstable platform, it takes time to get the sights realigned with your target, time this man did not have.

At the place in the arrangement where squadrons of trumpets once chorused, the single high instrument of the jut-jawed man sang out from the unstable platform festooned with antique bunting.

He stands on that quaking, unstable platform of their interlocutor's palm.

He had to take it from a standstill, and it was gaping wider with every second, ten feet or more now, and the quivering bank of collapsing earth was an unstable platform.

Once they did, but a chariot is an unstable platform for battle, and now the tribes only use them for the initial display before the real fighting begins.

They are also useful for computing on boats or other unstable platforms where a rolling deck could produce undesirable input.

The Tipping Point - In The Eliminator, there are two long unstable platforms.