Come to see the results of the experiment, and to find me.

Now I must come to the far more difficult part of the experiment.

Are they just part of the same experiment, with us?

Go back in time to the beginning of the experiment.

In effect, they tried a series of experiments to see what would work best.

Call up one or two of the kids and experiment.

On the first day of my experiment, I would need all three.

His first number was in the nature of an experiment.

He's probably here to give us the results of the last experiments.

This was actually the most difficult part of the whole experiment.