A cookware designer is selecting a material for the handle of a stainless-steel saucepan so that the handle remains as cool as possible while the pan is on a hot stove. Four candidate materials and their approximate thermal conductivities k are listed:
• Aluminum: 205 W/(m·K)
• Wood: 0.12 W/(m·K)
• Copper: 390 W/(m·K)
• Stainless steel: 50 W/(m·K)
Which material should be chosen to best meet the designer’s goal?
a) Stainless steel
b) Copper
c) Wood
d) Aluminum