Mystery #3Tier 2ice / cooling / heat
Why does a drink full of ice stay icy cold right up until the last cube melts?
Fill a glass with cola and ice and the drink turns beautifully cold. Here is the odd bit: it stays that cold, not creeping warmer, for ages. Then, moments after the last ice cube disappears, it finally starts to warm up. Why does an icy drink stay cold right until the very last cube has melted?
Your guess
What do you think the ice is doing to keep your drink so cold for so long?
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