Ballpoint pen
THE ANSWER
"Parker Vector Stainless Steel Ballpoint Pen" — Photo by Kevin Brown / Wikimedia Commons / CC BY-SA 4.0
The simple instrument that revolutionised how we scribble our secrets.
Before this invention, writing required constant ink refilling and patience. It transformed everyday communication with a small rotating sphere.
Explanation
Did you know?
The first mass-produced versions were marketed as pens that could write underwater or at high altitudes.
The 5 Clues
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“Its functionality relies on the gravity of a tiny sphere.”
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“It replaced the messy nibs of a previous century.”
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“A Hungarian journalist felt inspired by the quick-drying ink used in printing presses.”
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“Often referred to by a nickname derived from its inventor's surname.”
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“The standard tool for everyday desk work and school assignments.”
lightbulbAvg Clues to Win
2.6/5
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88%