Added almost 4 years ago | 00:01:11 | 19570 views
A double cone is placed on the bars of an inclined plane. Instead of rolling down the plane the cone rolls up. Although the plane slants upward, the bars diverge so that the rotational axis of the cone, which passes through the center of...
Added almost 4 years ago | 01:59:00 | 17908 views
David Ardia, Daniel Schuman, and Micah Sifry What do citizens need to know when they publicly address legally challenging or dangerous topics? Journalists have always had the privilege, protected by statute, of not having to reveal th...
Added almost 4 years ago | 00:02:15 | 20996 views
A cutout of Massachusetts is hung in several orientations and a line is drawn straight downwards. The lines intersect at the center of mass.
Added almost 4 years ago | 01:32:00 | 25654 views
The bottom-line mentality that swept American life in the last few decades, often overriding considerations of principle and professionalism in business, politics, the arts, higher education, journalism and other spheres, left its mark o...
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