Imagine a fountain pen like a magic bottle, when you press the tip against paper, ink flows out gently and fills up the space you’ve already written. It’s like pouring water from one glass to another: the more you use it, the more ink comes in! The ink stays inside until you stop writing, so it doesn’t run out right away.
Why it works: Inside the pen is a little hole called a feed, which acts like a bridge between the ink reservoir and your paper. It lets just enough ink come out to keep drawing without spilling all over the place.
Examples
- A fountain pen is like a magic bottle that only lets out enough ink for each stroke you make.
- It’s like when you drink from a straw, the more you sip, the more liquid comes up, but it doesn’t all pour out at once.
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See also
- How Does a Smartphone Recognize Your Face?
- Why Do We Use Passwords for Security?
- Why Do We Use ‘Barcodes’ on Products and How Do They Work?
- How does the latest generation of brain-computer interfaces function?
- How Did the Internet Begin?
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Categories: Technology · fountain pen,writing instruments,science