gps

May 29, 1919

On May 29, 1919, the moon’s silhouette crept slowly over the sun, bringing premature night to observers in a broad swath of the Southern Hemisphere between South America and Africa. Few onlookers realized that this event would provide the first successful test of Albert Einstein’s theory of relativity.

If you ask someone involved in community remote sensing to define the emerging field, the most likely response will be a chuckle followed by “That’s a hard question to answer…”