• Puzzle solutions are due by 9:00 AM on Friday of each week.
• Puzzles are worth 5 points of extra credit each.
• Answers must be accompanied by valid reasoning. Just like the tests, the answer alone isn't enough!
• Each week, the first student to submit a correct answer will recieve the stylish 251 T-shirt.
• Previous winners get a "virtual t-shirt." No shirt, but a chance to win a prize with actual value at the end of the semester (often a book, or maybe software).
• Please enter your solution in the text area at the bottom of this page. DON'T FORGET TO GIVE YOUR NAME!

Cheap aluminum pots and pans are often composed of a single, thin layer of aluminum. More expensive cookware often has inner and outer surfaces made of stainless steel, and a thick inner layer of aluminum (as illustrated in the figure above).

Please explain what is better about the expensive pots. Discuss why the different metals are chosen, and how the choices affect the thermal properties of the pot.

Don't forget to explain your answer as clearly as possible.

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