Cooking food in this unconventional cookware ensures your food is less likely to boil over as it keeps the food from sticking to the sides or the bottom.
The inventor Watanabe Hideki is a dentist by profession. He came up with the idea at work while doing various experiments with dental plaster.
See the video with the pot being used to cook food on Youtube:
http://www.youtube.com/watch?v=uBKF6cl3Z9o&feature=player_embedded