For those of you who have asked how to channel your inner sun-god/dess, the iPhone/iPod/iSanitaryPad application you need to download to drive Rafael Lozano-Hemmer’s Solar Equation, now showing at Fed Square, is up and running. Detailed instructions for finding the free app can be found here. Have yourself a blast of a time conjuring up a solar flare or a scatter of sun spots. Right. That’s enough of that.