Falling on Escher’s staircase – HT Giorgio Parisi goo.gl/7NaRIF en.m.wikipedia.org/wiki/Penrose_s… http://t.co/aVsxLw0wwR

Falling on Escher’s staircase – HT Giorgio Parisi goo.gl/7NaRIF en.m.wikipedia.org/wiki/Penrose_s… http://t.co/aVsxLw0wwR

ESA’s gravitational waves technology demonstrator LISA Pathfinder ready to begin launch preparations (launch in Nov) esa.int/Our_Activities…
DAMA/Libra signal cannot be explained in terms of dark matter interactions with electrons, says Xenon100 sciencemag.org/content/349/62…
The tumultuous heart of our Galaxy captured by ESA’s XMM-Newton X-ray observatory esa.int/Our_Activities… via @esa http://t.co/j3fJtaRcCt
