![Columbia-Richland Fire Department on Twitter: "REMEMBER to use only microwave-safe cookware (containers or dishes) in a microwave! NEVER use aluminum foil or metal objects in a microwave oven! https://t.co/5GL8ydzSL5" / Twitter Columbia-Richland Fire Department on Twitter: "REMEMBER to use only microwave-safe cookware (containers or dishes) in a microwave! NEVER use aluminum foil or metal objects in a microwave oven! https://t.co/5GL8ydzSL5" / Twitter](https://pbs.twimg.com/media/FPhrQL8WUAwoeRW.png)
Columbia-Richland Fire Department on Twitter: "REMEMBER to use only microwave-safe cookware (containers or dishes) in a microwave! NEVER use aluminum foil or metal objects in a microwave oven! https://t.co/5GL8ydzSL5" / Twitter
![If you put a ball made of aluminum foil into the microwave for 15-17 munites, it will become an almost perfect ball - 9GAG If you put a ball made of aluminum foil into the microwave for 15-17 munites, it will become an almost perfect ball - 9GAG](https://images-cdn.9gag.com/photo/a7Wryzw_700b.jpg)
If you put a ball made of aluminum foil into the microwave for 15-17 munites, it will become an almost perfect ball - 9GAG
![Children are microwaving tin foil due to dangerous viral trend, Fire Brigade warns North East - Chronicle Live Children are microwaving tin foil due to dangerous viral trend, Fire Brigade warns North East - Chronicle Live](https://i2-prod.chroniclelive.co.uk/incoming/article14512501.ece/ALTERNATES/s615b/SMR_NEC_100418TinfoilJPG.jpg)
Children are microwaving tin foil due to dangerous viral trend, Fire Brigade warns North East - Chronicle Live
![Kody on Twitter: "I just tried this. If you put a tight ball of tin foil in the microwave for a few minutes it turns into a real ball. Can't believe it Kody on Twitter: "I just tried this. If you put a tight ball of tin foil in the microwave for a few minutes it turns into a real ball. Can't believe it](https://pbs.twimg.com/media/DZ10xNdVwAQhCQK.jpg)