Developed by Admiral Robert Fitzroy in the 18th Century, the storm bottle is an incredible invention that can be used to predict weather with reasonable accuracy. It contains a special combination of liquids that will change depending on the upcoming weather. For example, it will become murky if it predicts rain, and a thread of crystals indicates windy weather.
The storm bottle was refined onboard HMS Beagle during the Darwin Expeditions, of which Fitzroy was captain; to this day, no one is quite sure how it works. Why not keep your own records and see if you can confirm or improve upon Fitzroy's observations?
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