The few off-season residents in Ocean City, Maryland walking to the beach to greet the rising sun. What a strange power this dawn greeting has over humans, regardless of culture. The ritual seems to be partly driven by beauty, and partly by the optimism of a new day. We all know this event. We have experienced the sun rise above the horizon a multitude of times. Yet, each event seems new. Watching our star clearing the edge of our planet shows a world much bigger than ourselves. And, for a moment, we feel at peace. Click on the image for a larger view.
The light and color we see in the world is an extension of our biology. If we shift our perception to the longer wavelengths of near infrared, we would see the world very differently. Chlorophyll, the chemical that gives plants their green color, is highly reflective in the near infrared. Plants practically glow, at least when healthy. We see this very differently. Continue reading
Columbus Day marks a major turning point in history when the culture of the “Old World” met the “New” one. The common narrative is the civilizing force of European culture built a nation from an untamed wilderness. But this invasion was brutal, as most colonization is—Europeans are not the only colonizers in history. Click on the image for a larger view.
This is not some strange specimen under a microscope, but a composite image of two satellite photographs from the NASA Earth Observatory web site showing the high and low water level in Lake Mead in 1984 (high) and 2016 (low). What you are seeing is the difference between those two images—black means there was no change. The bright fringe around the lake is how far the water has receded. It also shows the development of Las Vegas to the west of the lake. The dark center of the city is where it was already developed in 1984. Most of this water loss and development has happened since 2000. Here are the original images: Continue reading