UVD Robots Move into the Supermarket Aisle
The average consumer spends about 60 hours grocery shopping per year. Hours spent in an environment that may harbor different germ colonies, include shopping carts, refrigerator doors, and produce. A study showed that grocery store carts have 361 times more bacteria than a bathroom doorknob — with 75 percent of the germs found on those carts considered harmful to humans. Fridge doors can have as much as 1,235 times more bacteria than a cellphone, and one of the most common types of bacteria found on these doors is resistant to antibiotics. …