Physicists Marcelo Gleiser, Katherine Freese and Max Tegmark discuss with Steve Paulson what mysteries of the universe they’d most like to understand: time, dark matter, and consciousness. An excerpt from “The Unification of Physics: The Quest for a Theory of Everything” featuring Steve Paulson, Marcelo Gleiser, Katherine Freese, and Max Tegmark.
The Wide-Field Infrared Survey Telescope (WFIRST) is an upcoming space telescope designed to perform wide-field imaging and spectroscopy of the infrared sky. One of WFIRST’s objectives will be looking for clues about dark energy–the mysterious force that is accelerating the expansion of the universe. Another objective of the mission will be finding and studying exoplanets. […]