The derecho that nailed, among other places, northern Virginia on Friday night. My abode’s power has been out for more than 48 hours now.
Monthly Archives: July 2012
Let There Be Light
Light And ‘The Illusion Of Knowledge’
Often, the familiar hides the deepest mysteries. This is certainly the case with light, one of the take-it-for-granted physical phenomena that surrounds us in everyday life. We wake up to it, we turn it on and off, rarely thinking of what it really is. A good thing, for even the greatest physicists pause before talking about the nature of light.
A Stopped Clock That's Right Four Times a Year
A sundial that spells out the equinoxes and solstices.