For more than fifteen years PEP was in constant experimentation.

The need for constant experimentation is what makes Reggie Watts so special.

The only deviation from this was the constant experimentation of where to place the 1 hour photo department/electronics counter and cosmetics counters.

Because of his minute attention to detail and his constant experimentation, no two Breguet pieces are exactly alike.

Mr. Cunningham's constant experimentation still attracts hordes of young people.

Match shooters had shown through constant experimentation that short, fat cases created more uniform combustion than long, skinny ones.

Several of the most successful pieces also reveal his constant experimentation.

Chess, like any science based on constant experimentation, is constantly evolving.

It would, for example, cover sixteen days of fairly constant experimentation.

Lily's constant experimentation with form has resulted in numerous solo shows, some silent, many incorporating text.