60 years ago this week, on July 23, 1962, President Kennedy addressed the US and Europe simultaneously by video via a Telstar satellite link. As with the transatlantic telegraph cable about a century before, it was a major development. (Bill and Rachel.)
50 years ago, in January 1972, the US space shuttle program moved forward and humanity passed the top of the arc of manned spaceflight and began its descent away from the dream of the 1860s to the 1960s. Bill and Rachel.
Using the new photos of Pluto as reasons Pluto should still be called a planet is like beating someone with their own broom. It’s those principles of questioning long-held traditions and preferring the truth over what’s familiar that underlie the science that got us to Pluto in the first place.