Why observatories shoot lasers at the Universe

“But certainly the laser proved to be what I realized it was going to be. At that moment in my life I was too ignorant in business law to be able to do it right, and if I did it over again probably the same damn thing would happen.” –Gordon Gould, inventor of the laser … Read moreWhy observatories shoot lasers at the Universe

Weekend Diversion: The Light that's Right for Night

“As far as we can discern, the sole purpose of human existence is to kindle a light in the darkness of mere being.” –Carl Jung During the daytime, light is plentiful and abundant, and the majority of our waking lives are optimized for that. But more and more of us are active late into the … Read moreWeekend Diversion: The Light that's Right for Night

Sometimes, Size is Everything!

“I went into a clothing store, and the lady asked me what size I was. I said, ‘Actual’. I’m not to scale.” –Demitri Martin When you look out at the Universe, what you can see is limited, at the most fundamental level, by the size of what you look with. This is why you can … Read moreSometimes, Size is Everything!

Weekend Diversion: An Optical Illusion

Starts With A Bang! is off to a great start; each the past three days we have topped the 100 visitor mark, bringing our total number of unique visitors up to 1,413! I’m going to attempt to start a new tradition here of making a weekend post on a topic that I just find neat, … Read moreWeekend Diversion: An Optical Illusion