Redknapp believes the artificial surface at the Stade de Suisse played a huge part in his side's poor performance.

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In a few minutes, a new artificial surface takes the mud and maybe some of the danger out of horse racing.

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The artificial surface has since been replaced by a traditional dirt track.

CNN: STORY HIGHLIGHTS

The pattern of the game stayed the same in the second half with Perm pushing strongly for the first strike on the artificial surface.

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He would not be drawn if he would play the same team or make changes for a match that will be played on the artificial surface of the Luzhniki Stadium.

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The success capped a triumphant return to the artificial surface of the Luzhniki Stadium, where Chelsea lost the 2008 Champions League final to Manchester United, after Rubin Kazan were forced to play away from home given concerns over the state of their stadium.

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In recent years, Santa Anita has spent millions more installing an artificial race surface in an effort to reduce racing injuries.

CNN: STORY HIGHLIGHTS

In other words, you're looking at a future in which robotic hands interpret the nuances of a surface or gripped object akin to a human fingertip and artificial skin senses touch similar to the way tiny hairs on an arm do.

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