. For this demonstration, though, the study’s authors wanted to take a bolder approach by 3D printing a complex food item using a whopping seven ingredients—which they claim is a record-setting amount for digital food.
Through trial and error including multiple attempts where the final product looked less-than-appetizing, the authors were able to combine graham cracker, peanut butter, Nutella, banana puree, strawberry jam, cherry drizzle, and frosting in order to create a cheesecake. To “cook” it, they used an array of near-infrared and blue lasers to heat the entire thing up.
Failed cheesecake prints. a. For initial designs, the jam could not hold its shape on a flat layer and needed to be pooled. b. With no supporting walls, graham cracker paste crushed softer ingredients below it. c, d. Thin walls were prone to crumbling and needed to be tapered. e. Adding graham cracker walls better supported the entire structure. f. Occasionally, the graham cracker paste would form squiggles due to incorrect z-height or drying of the ingredient.
While it might seem like a silly, sci-fi gimmick, the authors say that their digital cooking method represents the future of food. Not only can it give people greater control and customization over their diets, but it can also be good for the environment since the precision would allow you to cut down on food waste. Given the fact that a robot is essentially cooking your food, it could lead to less risk of foodborne illnesses.
The authors added, “An industry built around this technology may be on the horizon, creating a new vision of better nutrition, better food accessibility and palatability for many, increasing food safety and adding art and cutting-edge science to the most basic human need—nourishment.”
I just read Cloud Cuckoo Land and the people in the future timeline printed their food! 😳
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