While studying physics in high school, I’d learned that light acted both as a wave and as a particle. I continued to learn more about its behavior while getting a degree in electrical engineering. During the winter of my sophomore year, one of my professors put Maxwell’s Equations on the board. They described, in numeric…

I’m not sure how many times in the past I might have walked past a stain glass window or church carving that featured a pelican without knowing about the symbolism. But a few years ago, one of the pastors at our church brought up the fact that Christ was compared to a loving pelican. The…