Albedo. It’s not a common word, but it’s a common experience. It has to do with reflectability — an object’s ability to reflect light. Every night, when the earth has turned away from the sun […]

Albedo. It’s not a common word, but it’s a common experience. It has to do with reflectability — an object’s ability to reflect light. Every night, when the earth has turned away from the sun […]
I came across an ancient Persian poem by a poet named Hafiz, written in the 1300s. It made me think of worship. Even after all this time the sun never says to the earth, “you […]