Writings


On the left, an optical image from the Digitized Sky Survey shows Cygnus X-1, outlined in a red box.  Cygnus X-1 is located near large active regions of star formation in the Milky Way, as seen in this image that spans some 700 light years across. An artist's illustration on the right depicts what astronomers think is happening within the Cygnus X-1 system.  Cygnus X-1 is a so-called stellar-mass black hole, a class of black holes that comes from the collapse of a massive star.  New studies with data from Chandra and several other telescopes have determined the black hole's spin, mass, and distance with unprecedented accuracy.

Leadership Vacuums Suck: 5 Survival Tips

Leadership vacuums are black holes that crush hopes, dreams and effort within their inscrutable, deadly grasp. Attempting to work within them is unsustainable over the long term. But you may be forced to do just that until your parachute is...

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5 “Need-to-Knows” for Pennsylvania Business Leaders

5 “Need-to-Knows” for Pennsylvania Business Leaders

Strategy development by necessity involves environmental scanning. All too often, though, environmental scanning focuses on the familiar or relatable and excludes larger changes and paradigm shifts that at the time seem either unrelated or are misunderstood. Below are five seemingly...

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Who is the Elf on the Shelf?

Who is the Elf on the Shelf?

Three days before Christmas I found myself approaching a downtown crosswalk where the crossing light had just turned green. Ahead of me, a homeless man shuffled across the street while a work van waited for the light to turn. As...

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