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Masks and things to know if you do not want to harm yourself
The fact is, fabric masks are the least effective but the most used type of dust filter!
Paper
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Articles about Paper
517 published items.
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Why should not write 2020 into 20?
The abbreviation 2020 will save you less than a second but it can cause you to lose a lot of things if the bad guys use it to cheat.
Life
Paper bags are only good for the environment when reused 43 times
Ocean, rivers and dumps are filled with plastic waste. Before the movement to abandon disposable plastic bags, many businesses changed to paper bags.
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Why do some countries print money abroad?
Last September, the Liberian government announced it had lost $ 104 million. The reason was not because of any weak investment decisions, or some accounting fraud but mo…
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This is why these 9 familiar things must have their own special colors
The tires are black, the toilet paper is solid color, while the fire hydrant is not always red? Everything has its own reasons.
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Why does the shower curtain stick to you?
What could be better than cooling off with cool showers in the bathroom on hot days, except for the annoying curtain that sticks to you when you get out of the shower. W…
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How clean is the toilet in Japan? It turns out this is just the culmination of Japanese technology
The toilets in Japan are so clean that people can eat, sleep, play games or do whatever they like in them.
New technology
Successful manufacture of beer bottles with paper
On October 12, Carlsberg brewery announced the journey to create the world's first paper beer bottle made from wood fibers of sustainable origin, based on 100% biologica…
New technology
Replace papers, cards ... thanks to subcutaneous implantation, why not?
By implanting a microchip, users no longer need to carry around keycards, identification cards, and even train tickets.
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The secret of the type of Tibetan paper used to keep a thousand-year-old scriptures does not rot
Tibetan paper is fragrant and is made from a special type of thyme and the production technology reaches a meticulous artistic level. The thousand-year secret of rotting…
Science Events
Research to increase photovoltaic battery performance
The study offers a solution to restructure solar cells to increase the performance and durability of energy systems in erratic weather conditions.
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Why does the letter on the computer keyboard not in alphabetical order?
About 150 years ago, all papers and letters were handwritten with ink pens, and every 1 to 2 words people had to tap on ink bottles making writing very slow and easy to…
Environment
101 ways to replace plastic bags from the world experience
Environmental pollution from plastic bags is no longer a national issue but a global problem. To solve this problem, many environmentally friendly bag production initiat…
Science story
I was burned by a contaminated mosquito at Chernobyl
Finally, I made the most reasonable option possible: take a used paper towel in my pocket, grab the mosquito and then put it back in my pocket.