Shermer and Kaltenegger discuss: Carl Sagan and his influence • Sagan’s Dragon • ECREE Principle • how stars, planets and solar systems form • how exoplanets are discovered • Hubble Space Telescope, Kepler Space Telescope, James Webb Space Telescope • The Origin of Life • Fermi’s Paradox: where is everybody (the Great Silence, the Great Filter) • biosignatures • technosignatures • Dyson spheres • Will aliens be biological or AI? • interstellar travel • Kardashev scale of civilizations • how…
Despite much ballyhoo in the media, all efforts thus far have failed to provide substantive evidence that might link the appearance of UFOs, now called UAPs (unidentified aerial phenomena), with aliens from other planets. This failure results from limitations imposed by both biology and distance. As Morton Tavel explains, when these factors are combined, they render any such contacts virtually impossible.
From teleportation and space elevators to alien contact and interstellar travel, science fiction and fantasy writers have come up with some brilliant and innovative ideas. Yet how plausible are these ideas? In this lecture from our archives, recorded in February 2014 as part of The Skeptics Society’s Distinguished Science Lecture Series, professor of physics, Dr. Charles Adler, delves into the most extraordinary details in science fiction and fantasy.
From teleportation and space elevators to alien contact and interstellar travel, science fiction and fantasy writers have come up with some brilliant and innovative ideas. Yet how plausible are these ideas? In this lecture from our archives, recorded in February 2014 as part of The Skeptics Society’s Distinguished Science Lecture Series, professor of physics, Dr. Charles Adler, delves into the most extraordinary details in science fiction and fantasy.
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