One example the company has developed is a crystal fibre that squeezes light into such a narrow core that the intensity of the light modifies the optical properties of the glass itself.

ECONOMIST: A new approach to making optical fibres

In the same way, the pattern of holes in a crystal fibre can create the equivalent for light of a graphite core and a diamond cladding.

ECONOMIST: A new approach to making optical fibres

And although that friendship and alliance has to continually be renewed and reshaped in light of new circumstances, the core values and the shared vision at the heart of our alliance remains strong, and I am very confident that working with Prime Minister Kan, we are going to be able to continue to build on that tremendous history over the last 50 years.

WHITEHOUSE: President Obama & Prime Minister Kan at G20 Summit

This generates the coherent light of a laser beam in the core of a long, thin optical fibre.

ECONOMIST: Solar power from space

The murder mystery at the core of this novel is engaging, but Guttentag also sheds light on the harrowing lives of teenage runaways living on the streets of Hollywood.

FORBES: The Novel as Agent for Social Change

The researchers suggest the clusters they originated from may no longer be active, thus shedding light on the history of star activity in the galactic core.

MSN: Giant gas geysers erupting from Milky Way galaxy

While we should try to improve mortgage standards and deal with the specific problems that the crisis has brought to light, the wholesale regulation of the financial system, based on the false premise that the core of the system is flawed, would give us the worst of both worlds: no growth and no stability.

ECONOMIST: An alternative history lesson