FBI Tracked an Activist Involved With Black Lives Matter as They Travelled Across the U.S., Documents Show | The Intercept

AT THE HEIGHT of 2014’s Black Lives Matter protests in Ferguson, Missouri, FBI agents tracked the movements of an activist flying in from New York, and appear to have surveilled the homes and cars of individuals somehow tied to the protests, according to recently released documents provided to The Intercept.

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John Coltrane Draws a Picture Illustrating the Mathematics of Music | Open Culture

Josh Jones, Open Culture [dropcap]Physicist[/dropcap] and saxophonist Stephon Alexander has argued in his many public lectures and his book The Jazz of Physics that Albert Einstein and John Coltrane had quite a lot in common. Alexander in particular draws our attention to the so-called “Coltrane circle,” which resembles what any musician will recognize as the […]

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