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The Global Warming Heat Sensitive Mug tells you if your beverage is hot or cold by how much of the glacier is melting away:
The surface of the cup is printed with a second layer of heat sensitive ink (the ocean only) that is revealed when the mug becomes hot.
Tags: heat sensitive mug, global warming, mug, coffee, tea, temperature mug, temperature sensitive
1653 days ago
[...] Link [via] [...]
1653 days ago
[...] Link [via] [...]