The Atacama Cosmology Telescope (ACT) has mapped the microwave sky to
arcminute scales. I will present recent results from ACT on the
angular power spectrum of the microwave background fluctuations,
measuring the acoustic oscillations well into the Silk damping tail. I
will also describe the extraction of a gravitational lensing signal
from the observations, and the detection of galaxy clusters via the
Sunyaev-Zel’dovich (SZ) effect. I will describe the implications of
these various measurements for better constraining the cosmological
model, and discuss prospects for the upcoming ACTPol experiment.
