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For the first time in history, China has produced its own ballpoint pen
For China, this is one
Pen
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Articles about Pen
81 published items.
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Chemical components of blue ballpoint pen ink
Blue ball pen ink includes dye, fatty acid and alcohol to ensure uniform ink, quick drying and paper sticking.
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Scientific perspective on the rate of spread of trends like PPAP 'Pineapple pen - apple pen'
The Memetics theory of biologist Richard Dawkins will help us better understand the culture of the Internet, where things ... bullshit like the PPAP movement (Pineapple…
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This is why you need to give up the habit of pen-writing right away
Because really, this habit is much more harmful than you think.
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The 500-year journey rises to the world domination position of a pencil
Not only is the learning tool from early childhood to school, but pencil is also a daily tool of architects, designers, painters, ...
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How far can lasers be?
According to an aviation security officer, green laser lights can light the lights on the aircraft, affecting pilots driving airplanes.
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What is the most horrible 'virtue' of man?
Curiosity is an important virtue, but it also makes us act
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Perfect design of 99 most expensive pencils on the planet
Not the oldest writing pen manufacturer in the world, but Faber-Castell is honored to be among the leading companies in this industry.
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How many laser pens are needed to make killer weapons?
Although the 5mW laser pens, you will have to pair 200,000 units to create a dangerous gun.
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History of the pen
Before the pen was born, people used many different things to write letters.
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The birth of a pencil
A writing tool that looks small, modest, even mediocre, but the impact of a pencil on humans is extremely important.
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Amazing 3D paintings
A Dutch painter has created amazing 3D pictures with pen and paper. Ramon Bruin, 31, developed the technique of painting he named anamorphosis (image distortion art) bas…
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Write to reduce fat
New US and Canadian researchers find the secret of weight loss. It is pen and writing.
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Write by hand, increase memory
Experts from the University of Stavanger (Norway) found that the process of putting pen on paper and reading a book seemed to inculcate knowledge into the brain better t…