Supersonic Neutrinos Detected via their Gravitational Impact on Sound Waves in the Primordial Plasma
A large part of the work of science is figuring out how to see what can’t be seen. How do we know what’s going on in the deep interior of...
The Value of Planck CMB Temperature Maps in a post-WMAP World
The previous post, in introducing the power spectrum, introduced the concept of structure on various angular scales. As such, it sets us...
A Power Spectrum is not Just a Really Good Spectrum
Early last week a paper with some wiggly curves in it was released by the Planck collaboration. Those curves are so epic-ally cool that I...
Degree of Satisfaction
This is a blog post about my other blog, Degree of Satisfaction. Here is how the very first post there starts. What do people with...
Cosmology at Home
My recently graduated PhD student, Dr. Marius Millea, has been working on a distributed computing project called Cosmology at Home. Find...