by experiment

These were questions he would have to answer by experiment.

"There is only one way to find out - by experiment."

They set out to test their hypothesis by experimenting on themselves.

Such questions can only be answered by experimenting on a computer.

The issue is how to determine the value of B by experiment.

The form of this function may be discovered in some, but not all, cases by experiment.

Now we go on then, to the section obtaining the evidence by experiment.

What we've tried to do at the museum is find projects that will help people understand, learn by experiment and experience.

Such a device had been created by experiments at the plant.

Did they lead to new theories that might be tested by experiment?

Once predictions are made, they can be sought by experiments.

That is, to the scientist, the question can be solved by experiment.

The exact distance were not known, and would be determined by experiment.

But the principle, at least, has now been verified by experiment.

I knew by experiment that on a dark night you can never see a man at twenty paces.

Only by experiment and observation can we learn something about the nature of the race."

It should experience a magnetic force, which can be easily confirmed by experiment.

It is only by experimenting that we can learn new and interesting textures.

By experimenting with the Constitution we managed to bring the country to the verge of death.

Thus the behaviour of two systems can be determined by experimenting with one.

This argument is supported by experiments in the auditory system.

Presently, by experiment, he realized the instrument had been cut off completely.

"We ought to find out, though, and not by experimenting.

Teaching was by experiment, with successful methods discovered as time progressed.

About five kilometers as I recall but it can be looked up and checked by experiment.