We are now nearly finished building and testing Advanced LIGO(aLIGO), which will be up and running by the end of 2015. Our goal is not only to make the first direct detection of gravitational waves (the last prediction of general relativity that hasn't been experimentally verified!), but to continue using gravitational wave astronomy to understand astrophysical phenomena using this new kind of radiation. These sources include binary black holes or neutron stars, collisions/mergersof such binaries, supernovae, starquakes, asymmetric pulsars. and others. To get the detector running, we work on different subsystems including data acquisition and computing systems, interferometer control, laser systems, seismic isolation, suspensions, and input optics, core optics, and auxiliary optics systems. Who we are:
All of us answering your questions today have a different role in LIGO, and we're hoping we can give you a glimpse from multiple aspects of our collaboration of ~900 people! If you have questions for specific people, feel free to say so! We will be signing posts with our initials. Here's a little bit about ourselves:
We will all be answering questions as individuals, and our answers will not necessarily reflect the views of collaboration as a whole. More about LIGO: Social: Facebook, Twitter Videos: LIGO Generations, LIGO: A Passion for Understanding EDIT Hi Reddit, we're having a great time answering your (awesome) questions, so we will stick around for another hour past 3pm, keep the questions coming! EDIT: 4pm Many thanks to everyone who asked questions, and for r/science for hosting us! We had a blast today, and we hope you enjoyed this as much as we did! We're officially signing off now, but a few of us want to stick around, so expect some more answers to trickle in. If you have more questions or would like to contact us, find us on Facebook or Twitter! |
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