Why we have yet not discovered any artificial process using any type of energy (preferably electricity) to convert basic ingredients such as water, carbon dioxide to food items such as carbohydrate similar to what plants do in photosynthesis process?

Why we have yet not discovered any artificial process using any type o

1.	Why we have yet not discovered any artificial process using any type of energy (preferably electricity) to convert basic ingredients such as water, carbon dioxide to food items such as carbohydrate similar to what plants do in photosynthesis process?
Answer» Why we have yet not discovered any artificial process using any type of energy (preferably electricity) to convert basic ingredients such as water, carbon dioxide to food items such as carbohydrate similar to what plants do in photosynthesis process?