| By Dale McGowan | Our family has a longstanding relationship with the speed of light. We take care never to exceed it, for one thing, no matter how tempting. But there’s more than that. I had all sorts of light-related fascinations when I was a kid — that light had a speed at all, and that it was so unimaginably fast, yet also finite and measurable. I knew the moon was a light-second away, the sun eight light-minutes, and... Read more