Tag Archives: contradictory innovation

What is your Waterproof Teabag?

Consider for a moment these self-contradictory innovations: The solar-powered flashlight The inflatable dartboard The underwater hairdryer The waterproof teabag The concrete liferaft At first sight they look silly but each contains the germ of an interesting idea. You can charge up a solar-powered flashlight in daylight and then take it into a cave. The inflatable dartboard is easy to transport ...

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