Astronomical black holes devour everything entering their hungry maws, or so they are described in the popular press. They are time machines and maybe even open doors to parallel universes. How do we know all this? Come and explore what we know about black holes and how we know this.
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Ron Lesher is a retired educator with experience as the administrator of the Eisenhower Math Science Grants for the State of New Jersey aimed at upgrading the skills of K-12 teachers to mathematics and science. Has taught physics at the high school level in Maryland; taught physics for non-science majors at Washington College.
