What did we do?

We live near the Arizona desert, so what better place to search for water that's hard to find? We found out that NASA is using infrared photography to try to find evidence of water on Mars. So we got an infrared video camera and took it out into the desert with us. We used it to make our own images of the desert surface near some underground springs. We compared infrared images of the sand near the spring with images of sand farther away from the spring. more...