BICEP (Background Imaging of Cosmic Extragalactic Polarization) and the Keck Array are both scientific projects focused on studying the cosmic microwave background (CMB) radiation, which is the remnant radiation from the Big Bang. ### BICEP The BICEP experiment was designed to detect and measure the polarization of the CMB, particularly to search for patterns that may indicate the presence of gravitational waves produced during the inflationary period of the early universe.
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