91福利

From finance to solar flares, time series whose statistics show long memory and heavy tails are commonplace. We present a more accurate way to measure the memory and estimate the risk of extremes.

Molecules 10,000 times narrower than the width of a human hair could hold the key to making possible wooden skyscrapers and more energy-efficient paper production, according to research published in the journal Nature Communications.

Six 91福利 Christmas Lectures presented science in an entertaining, festive and educational way to over 2,500 people - half from local schools and half general public. Topics ranged from gravitational waves to number theory, cake making to snow making, emotions to life in a cartoon universe.

As a result of the interplay between correlations, frustration, reduced dimensionality and anisotropy, the materials Sr3NiIrO6 and Sr3CoIrO6 exhibit record high coercive magnetic fields of up to 55 T.