Time as a dimension

The word dimension has a very specific technical meaning in mathematics and physics. It’s basically a number needed to specify something. For example the surface of a sheet of paper […]

The mass of a top

by Peter Skands from Nature 514, 174–176 (09 October 2014) doi:10.1038/514174a A measurement of the mass of the heftiest-known elementary particle, the top quark, which exists for less than a […]

Annalen der Physik: December 2012

Friedrich W. Hehl: A fruitful marriage – when #maths meets #physics goo.gl/nRIK8 — Gianluigi Filippelli (@ulaulaman) January 22, 2013 E. Anderson: Problem of time in quantum gravity goo.gl/LxJzc — Gianluigi […]

Physics at nature.com: 17 January 2013

Pulsed accretion in a variable protostar (see also: ulaulaman’s island) James Muzerolle et al. Nature doi:10.1038/nature11746 First Paragraph | Full Text | PDF Planetary system disruption by Galactic perturbations to […]

Physical Review Digest: April 2012 via @mathenaetor

Phys. Rev. Lett. 108 Measurement of the CP-Violation Parameter sin⁡2ϕ1 with a New Tagging Method at theΥ(5S) Resonance (arXiv) Y. Sato et al. (Belle Collaboration)  We report a measurement of the CP-violation parameter sin⁡2ϕ1 at the Υ(5S) resonance using a new […]