This split ring makes a circuit which can be tuned to achieve the desired magnetic response.

BBC: Last Updated: Monday, 8 March 2004, 09:03 GMT

The new materials are based on a design known as the "split ring" structure.

BBC: Last Updated: Monday, 8 March 2004, 09:03 GMT

Klitschko won by a split decision after the ring doctor halted the fight at the end of the fifth round in Las Vegas.

BBC: Klitschko scrapes through

Sports fans are tired of hearing about a potential fight between Pacquiao and Mayweather, as the two fighters have sparred outside the ring on everything from purse split to drug testing to the timing of the bout.

FORBES: Pacquiao Versus Mayweather Fight Inches Closer To Reality

Prosecutors allege that each store allowed fraudulent transactions through extra credit card processing machines and would split the proceeds with other members of the ring.

BBC: International credit fraud scheme 'stole $200m'

Earlier this month, traders based in Hereford's historic High Town area said they feared the new development, on the other side of the ring road to them, could split the city in two.

BBC: Herefordshire Council's ?500K payment waived

Prior to Burns taking to the ring, Commonwealth featherweight champion Simpson had lost a split decision to the impressive Stephen Smith in the third defence of his title.

BBC: Incomparable drama in Glasgow on Burns' night

The two fighters and their camps have sparred outside the ring for more than three years over drug testing, the purse split, timing and everything else under the sun.

FORBES: Manny Pacquiao Climbing Back Into The Ring With Status As Boxing Megastar At Stake

Mr Warren managed the boxer for 10 years from 1997 until Mr Calzaghe split from him to promote his last fight in 2008 and retire undefeated from the ring.

BBC: Calzaghe and Warren 'were happy'