A Walk Around the Block

Stoplight Secrets, Mischievous Squirrels, Manhole Mysteries & Other Stuff You See Every Day (and Know Nothing About)

"On his regular walk one morning, Spike Carlsen realized there was an entire world outside his front door that he knew nothing about. How does that fire hydrant work, he wondered? Why are street lights shining more brightly than ever before? And, on a more personal level, why does an easy stroll around the neighborhood…