Science and Truth: More Lisa Randall Quotes

"Scientists actively approach the door to knowledge--the boundary of the domain of what we know. We question and explore and we change our views when facts and logic force us to do so. We are confident only in what we can verify through experiments or in what we can deduce from experimentally confirmed hypotheses." --Lisa Randall ( Knocking on Heaven's Door ) "Although there is much we don't yet know about the evolution of the universe, we have a spectacularly successful understanding of the universe's evolution based on the so-called Big Bang theory supplemented by a period of exponential expansion of the universe known as cosmological inflation... This theory has agreed with a range of observations, including observations of the microwave radiation in the sky--the microwave radiation left over from the time of the Big Bang. "Originally the universe was a hot dense fireball. But during the 12.75 billion years of its existence it has diluted and...