New technology enables ultra-fast steering and shaping of light beams

A team of engineers has developed a new acousto-optic device that can shape and steer beams of light at speeds never before achieved. The new technology will enable better optical devices to be made, such as holographs that can move rapidly in real time. The research led by Bruce Drinkwater, Professor of Ultrasonics at the University of Bristol and...

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Fractional quantum Hall effect: Experimental progress and quantum computing applications

The Hall effect, discovered in 1879, is observable when a Hall voltage perpendicular to the current is produced across a conductor under a magnetic field. Although the Hall effect was discovered in a sheet of gold leaf by Edwin Hall, this effect does not require a two-dimensional condition. A century later, in 1980, the quantum Hall effect (QHE) was...

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'Flying carpet' technique uses graphene to deliver one-two punch of anticancer drugs

An international team of researchers has developed a drug delivery technique that utilizes graphene strips as “flying carpets” to deliver two anticancer drugs sequentially to cancer cells, with each drug targeting the distinct part of the cell where it will be most effective. The technique was found to perform better than either drug in isolation when...

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