LIGO: Listening to the Universe with Gravitational Waves

In 2011 Daniel Holz gave a Heinz R. Pagels Public Lecture at the Aspen Center for Physics on the topic of Gravitational Waves. The talk is one of the better explanations of what this is all about, with a bonus introduction!

More like this

The Aspen Center for Physics is holding its annual series of winter workshops, with the final, double sized workshop being on the astrophysical topic of Black Holes. Aspen Center for Physics Yes, I am there, organizering, Daniel Holz from CV is also here, along with 100+ other luminaries, and,…
First, what is a gravitational wave? I find it interesting that some people are expressing difficulty in understanding what a gravitational wave is, as though everybody (who is not a physicist) has a perfectly good understanding of what any kind of wave is. We don't need to go too deeply beneath…
LIGO and allies have also provided a bunch of fun useful stuff: Have We Detected Gravitational Waves Yet? Stretch and Squash Black Hole Hunter Einstein@Home Gravitational Waves 101 - Markus Pössel's excellent visualizations. The Data The Papers SXS - Simulating eXtreme Spacetimes visualizations…
GSFC's Terra mission detects indisputable evdence for gravity waves. From the MISR instrument Ok, this was inspired by last month's Physics Today, but y'all remember that "gravity waves" are old fashioned fluid waves with gravity as the restoring force, and quite distinct from gravitational waves…