NEW ORLEANS, LA (WVUE) - Entrepreneurs are being asked to show off their inventions and ideas, with the best ones winning a cash prize.
On Monday at Gallier Hall, judges of the Water Challenge were looking for ways to better use the water that surrounds New Orleans.
"Oyster shells - calcium carbonate - is the same material as limestone rock, so you are literally letting nature make you a living rock," said competitor Tyler Ortego. He hopes to win $50,000 for his business, Ora Estuaries.