The world is more interesting than you think.
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Martin Van Buren was the first president born after independence
Born in 1782, Van Buren entered the world after the United States had declared itself a nation. The presidents before him—including Washington—had been born…
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The tiny gold wires inside your microchip
Ultrasonic welding bonds microscopic gold or aluminum wires—far thinner than a human hair—from silicon-chip pads to the package’s metal pins, creating the…
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A medieval “moment” was a fraction of an hour
One traditional division split an hour into 40 moments. With a modern 60-minute hour, that works out to 90 seconds, although historical hours were not always…
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Computer chips are patterned with light-sensitive chemistry
A wafer is coated with photoresist, then carefully exposed to a pattern of light. The exposure changes which regions dissolve during development, leaving a…
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A single carbon nanotube can conduct heat remarkably well
Simulations of isolated nanotubes found thermal conductivity comparable to exceptional conductors such as diamond. Heat travels along their orderly atomic…
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The Enigma machine had over 100 trillion settings
Despite more than 100 trillion possible settings, operators often ended messages with predictable sign-offs, making the machine less secure than its…
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Tensegrity movements redistribute human energy fields
Castaneda said the movements draw energy from the outer edges of a person's aura back toward vital centers.
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Your processor slows down to keep from overheating
When a processor gets too hot, it lowers its clock speed to produce less heat, sacrificing performance to protect itself.
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Prolactin orchestrates human milk production lines
The pituitary gland releases prolactin, a hormone that signals the mammary glands to make milk. The hormone is part of production; it is not the same signal…
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Why George Washington avoided handshakes
Washington considered handshakes beneath his dignity, so he greeted visitors with a stiff bow instead. At official receptions, guests expecting a handshake…
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Viewing the entire world in strict polar extremes
A person can have admirable and frustrating sides at the same time, but stress can make that mixed picture hard to hold onto. Some people with borderline…
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A spoon is a tiny bowl on a stick
The bowl holds liquid because its curved sides keep the contents gathered; the stick gives your hand a handle to steer it. A spoon is a miniature transport…
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Your inner voice needs a mental return address
One leading explanation of hearing voices is that the brain misidentifies internally generated speech as coming from someone else. Researchers study how…
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A stroller's handle can turn extra luggage into a balance problem
A bag hanging behind the rear wheels adds weight where it can tip the stroller backward, especially when the child gets out. Storage baskets keep loads lower…
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Cats are built to swallow their own fur
Backward-facing hooks on a cat's tongue catch loose hair during grooming. Much of the swallowed fur passes through the digestive tract; some collects into a…
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Harry Truman's S was a compromise between two grandfathers
The letter honored Anderson Shipp Truman and Solomon Young without choosing one full middle name. Truman himself used punctuation inconsistently, which helped…
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Thermal imaging cameras detect heat signatures in darkness
A thermal camera usually sees infrared radiation, not heat passing through glass. Ordinary windows let visible light through but block much of the infrared…
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Ulysses S. Grant kept a name he never chose
He was born Hiram Ulysses Grant, but his West Point nomination listed him as Ulysses S. Grant. The institutional mistake followed him into his military career…
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Automatic transmissions ruined the stick shift market
Hydraulic fluid and planetary gears let automatic transmissions shift without a clutch or gear lever. As automatics became common, manual driving faded into a…
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Why even the best typist needs an assistant
A top typist may get more done by not typing every routine page. If an assistant handles the ordinary tasks, the expert can stay focused on work that matters…
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Violet flame decrees supposedly burn away karma
Practitioners use rapid-fire spoken decrees to summon a metaphysical violet flame they believe burns away negative karma.
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Squaring the circle achieves the impossible
Spiritualists treat the square and circle as symbols of the physical and the divine, turning an impossible geometry problem into a metaphor for their union.
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Why translators have to reinvent jokes
A joke built on a particular Japanese kanji may not work in English, so translators have to invent a new one that fits the scene.
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Uncontrollably shouting profound obscenities in public
For someone experiencing coprolalia, an obscenity can come out as a tic rather than a deliberate insult. That gap between intention and speech is what makes…
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