To date no one has discovered an effective method to control it.

After a while he discovered a handy method to continue his work.

Information could have been passed by radio, but the Americans had already discovered a simpler method.

More than that, I have discovered a method of atomic control.

After some time, the government discovered methods of safe dimensional travel.

A colleague who has taught at Colorado for many years says he is there to discover new methods.

They'll be forced to discover a method of breaking the addiction.

People with a particular task to do must have discovered new methods that were only later observed and justified by writers on political economy.

Wherefore he had determined to discover methods of his own.

In each division he discovered new methods of investigation.