For work, Spark, Spark, more Spark. Also Spark. I already know how to use it, but I want to know how it works in detail from the ground up. For not work, I wan

For work, Spark, Spark, more Spark. Also Spark. I already know how to use it, but I want to know how it works in detail from the ground up. For not work, I want to improve my oil painting and my drawing skills! I got a Pi this year and want to use it to dabble in digital sculpture.