We are a group that investigates the nature of gravity through experiment and observation.
We are based at Columbia University, in the Columbia Astrophysics Lab (CAL) in the Physics Department.
We are a member of the LIGO
Scientific Collaboration (LSC).
Prof. Szabolcs Márka
Department of Physics
538 W. 120th St.
1024 Pupin, Mail Code 5221
New York, NY 10027
geco.cu@gmail.com

