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Hexagonal boron nitride s remarkable toughness unmasked

The 2D material hexagonal boron nitride is so resistant to cracking that it defies a century-old theoretical description engineers still use to measure toughness, according to a study by Rice University and Nanyang Technological University in this week s issue of Nature.

How US Fed monetary policy is putting Hong Kong s economy at risk

Suppressing meta-holographic artifacts by laser coherence tuning

A metasurface hologram is an ultra-thin surface that is capable of arbitrarily shaping and projecting laser beams to extremely wide angles. However, due to the high coherence of laser light and inevitable defects in the metasurface, holographic images produced by meta-holograms suffer from deleterious artifacts that are extremely difficult to remove. A US-China team developed an efficient method to suppress holographic defects by fine-tuning the spatial coherence of laser illumination with a novel laser.

Call for Entries: Zhiyuan Library 2021 - International Charitable Architectural Design Competition for College Students

Call for Entries: Zhiyuan Library 2021 - International Charitable Architectural Design Competition for College Students
archdaily.com - get the latest breaking news, showbiz & celebrity photos, sport news & rumours, viral videos and top stories from archdaily.com Daily Mail and Mail on Sunday newspapers.

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