A Slinky Toy Can Extend Over 80 Feet
The original Slinky toy, invented by Richard James in 1943, contains 80 feet of steel wire. Its unique design allows it to "walk" down stairs and perform various mesmerizing tricks.
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Rubber Bands Last Longer When Stored in the Refrigerator
Natural rubber degrades primarily through oxidation — a chemical reaction with oxygen in the air. Cold temperatures significantly slow this process. According to van't Hoff's rule, every 10°C drop in temperature roughly halves the reaction rate. Storing rubber bands in the refrigerator (not the freezer) can extend their lifespan by years.
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'Stewardesses' Is the Longest Word Typeable with Only the Left Hand
On a standard QWERTY keyboard, all 12 letters of 'stewardesses' (S-T-E-W-A-R-D-E-S-S-E-S) are located on the left side. This makes it the longest common English word typeable with the left hand alone. The longest right-hand-only word is 'lollipop' at 8 letters.
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Vending Machines Kill More People Per Year Than Sharks
Sharks cause approximately 5–10 human fatalities worldwide per year. In the United States alone, vending machines kill an estimated 2–13 people annually — typically when someone rocks or tips the machine to retrieve a stuck item, and the heavy appliance falls on them. You are statistically 1.5 times more likely to be killed by a vending machine than a shark.
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Sound Travels 4 Times Faster in Water Than in Air
Sound travels at approximately 343 m/s in air at 20°C, but reaches about 1,484 m/s in seawater — over 4 times faster. Water's greater density and incompressibility allow molecules to transfer vibrations more efficiently. This is why humpback whales can communicate over thousands of kilometers through the ocean.