Search results for diamond

Materials Science Dec 14, 2020

Fertilizer made from urine could enable space agriculture

In extreme environments, even the most ordinary tasks can seem like unsurmountable challenges. Because of such difficulties, humanity has, for the most part, settled on grounds that were favorable for harvesting crops, herding ...

Quantum Physics Dec 8, 2020

Experiment to test quantum gravity just got a bit less complicated

Is gravity a quantum phenomenon? That has been one of the big outstanding questions in physics for decades. Together with colleagues from the UK, Anupam Mazumdar, a physicist from the University of Groningen, proposed an ...

Environment Dec 8, 2020

Pollution from cooking remains in atmosphere longer than previously believed

Particulate emissions from cooking stay in the atmosphere for longer than previously thought, making a prolonged contribution to poor air quality and human health, according to a new study.

Nanophysics Nov 23, 2020

Controlling fully integrated nanodiamonds

Using modern nanotechnology, it is possible nowadays to produce structures which have a feature sizes of just a few nanometres. This world of the most minute particles—also known as quantum systems—makes possible a wide ...

Materials Science Nov 19, 2020

We created diamonds in minutes without heat by mimicking the force of an asteroid collision

In nature, diamonds form deep in the Earth over billions of years. This process requires environments with exceptionally high pressure and temperatures exceeding 1,000℃.

Nanophysics Nov 18, 2020

Scientists make insta-bling at room temperature

An international team of scientists has defied nature to make diamonds in minutes in a laboratory at room temperature—a process that normally requires billions of years, huge amounts of pressure and super-hot temperatures.

Other Nov 12, 2020

Rare Russian pink diamond sells for $27 million

A rare pink diamond derived from the biggest raw stone of the colour ever found in Russia was sold for $26.6 million on Wednesday at Sotheby's in Geneva.

Materials Science Nov 10, 2020

Getting single-crystal diamond ready for electronics

Silicon has been the workhorse of electronics for decades because it is a common element, it's easy to process and has useful electronic properties. A limitation of silicon is that high temperatures damage it, which limits ...

Nanomaterials Nov 4, 2020

Synthesis of diamond-like carbon nanofiber film

An international team of researchers, led by Distinguished Professor Rodney S. Ruoff (Department of Chemistry) from the Center for Multidimensional Carbon Materials (CMCM), within the Institute for Basic Science (IBS) at ...

Earth Sciences Nov 3, 2020

Not forever: world's biggest pink diamond mine closes

The world's largest pink diamond mine has shut its doors after exhausting its reserves of the expensive gems, global mining giant Rio Tinto said Tuesday.

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