Editor’s note: This tour of small businesses across the country highlights the imagination, diversity, and resilience of American enterprise. Edwin is kind and yellow and lives on Main Street. Stroll ...

In 1993 B.G. (before Google), when writers for "The Simpsons" needed the 40,000th decimal digit of π (pi) for a punch line in season four’s “Marge in Chains” episode, they turned to mathematician and ...

Pi Lab's Edwin the Duck ($99.99) is no ordinary rubber ducky, but an interactive, waterproof smart toy that connects to a phone or tablet for activities like sing-alongs, games, and stories. Plus, it ...

Make people smile. That’s the goal of Carmel technology company pi lab. And they think their new toy, Edwin the Duck, fits the bill. Unlike technology companies in Indiana that focus on cloud-based ...