Missing galaxy mass found

February 20, 2014 Leave a comment

Missing mass in clusters of galaxies, raised by the Planck satellite, has been found by two gravitational lensing surveys, I report for Nature.


Phosphorene joins post-graphene age

February 6, 2014 Leave a comment

Two research groups have made black phosphorus transistors, I report for Nature.

Primordial black hole search called off

January 21, 2014 Leave a comment

A new analysis rules out the remaining mass window of primordial black holes as candidates to explain dark matter, I reported for Nature on Friday.

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Physicists discover 3D “graphene”

January 16, 2014 Leave a comment

A Dirac semimetal has the same electronic properties as graphene, but in three dimensions, I report in Nature.

X-ray source may never be built

January 16, 2014 Leave a comment

The US National Science Foundation has spent millions on the development of a novel X-ray source that may never be built, I reported last month for Nature.

Redefining the Amp

January 16, 2014 Leave a comment

An experiment tracking single electrons flowing across a chip may enable the electrical unit of current to be rationally redefined.

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Astronomers call for X-ray polarimeter

November 25, 2013 Leave a comment

Polarimeters have been passed over, canceled or descoped numerous times since polarized X-rays were first seen coming from the Crab Nebula in the 1970s; maybe the next NASA Small Explorer mission opportunity will give astronomers a chance to fly one.