Human: Is it possible to build a DIY solar oven? Assistant: 
Yes, it is possible to build a DIY solar oven. You can construct one using materials such as cardboard, aluminum foil, and plastic sheeting. The process involves creating an insulated box with the appropriate size openings for the sunlight and then placing the food inside. Make sure to keep the airflow open by leaving some space at the top of the oven. Additionally, you will need to make sure that your oven is in direct sunlight and that there is no obstruction between the sun and the box. Once all these conditions are met, you should be able to cook food successfully using a DIY solar oven.