Sep 262011


Noun: A very hard, granular, crystalline, intrusive igneous rock consisting mainly of quartz, mica, and feldspar and often used as a building stone.


Noun: A break or hole in an object or between two objects: “he came through the gap in the hedge”
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Sep 142011

Today, we’re going to pretend we are a photon of light, rather than looking at photons of light.  This lets us take a break from time traveling for a minute and spend some time talking about what happens to light when it goes through the Time Machine and ends up on the sensor of our camera. Continue reading »