Opinions expressed by Entrepreneur contributors are their own. Amazon Fire Phone, Google Glass, New Coke and Nintendo’s Virtual Boy: What do all these products have in common? They didn’t sell.

Robust testing and evaluation processes are important for learning from both the successes and the failures in prototype development. Dr. John Granier, chief engineer of munitions and energetics at ...

Planning ahead for design transfer and using it as a management tool results in a smoother, less costly transition from development to production. Terry Zenner It has become popular to say that all ...