terrible inventions

The following are some small inventions: 1. To make a practical tool: fix the wrench on the vice, cut off a small section with an angle grinder, and then cut the whole part off. After that, grind it clean with a grinder, and then use the nut to welding a screw rod. 2. Self-made screw container: Cut the plastic bottle along the mouth of the bottle, then put the opener in, bake it with a hot air gun to shape it, put the screw inside, and then screw the cap. 3. Self-made rust removal tool: install the ancestral Tetanus nail on the electric drill, turn on the switch, and use sandpaper to easily polish off the rust. 4. Making cabinet opening tools: Grind off the edges and corners of the screw on a grinding wheel, fix it on a bench clamp, cut off the excess parts on both sides with an angle grinder, turn it over and heat it with a flamethrower at high temperature. Bending it while it was hot can be used to open the cabinet door. 5. [Self-made horizontal ruler: If you draw an uneven line with a ruler, you can stick a horizontal bubble bead to the middle line of the ruler. You can first find the horizontal position before drawing the line.] 6. Reinforcement of the table: Mark both ends of the PPR tube, flatten both ends after baking, and then make small holes, and install it to the corner of the table that is not stable to make it firm. 7. Self-made faucet filter: Prepare a clean, empty plastic bottle and a balloon. Mark the bottom of the plastic bottle with a marker, then cut the bottom of the plastic bottle with a utility knife. Cut off the bottom of the balloon with scissors, and poke some small holes in the bottom of the plastic bottle with an awl.(The distance between the holes should be evenly distributed.) Prepare some gauze, put a few layers of gauze on the bottom of the bottle, and then put the cut balloon directly on the plastic bottle. Use tape to stick a circle around the edge of the balloon to prevent it from falling off. Put it on the faucet and use it to wash vegetables. It can make the water cleaner, and the water is more scattered, which can save water. The novel "Hundred Years of Spaceship" is equally exciting. Everyone is welcome to click and read it!

Here are some creative inventions: 1. It could turn the window into a balcony. 2. A chair that would stop the children from fighting to hug. 3. A mattress that allowed partners to hug each other and sleep without worrying about numbness in their hands. 4. An umbrella that transformed into water. 5. It was a tint that tested one's color sensitivity. 6. A moon-shaped lamp. 7. An oak bottle that can enhance the taste of wine. 8. A portable and waterproof lamp bag. 9. An egg-shaped map with a hidden mystery. 10. A timer used to increase self-control. 11. A chair that explained the beauty of simplicity. 12. An artifact for taking selfies with dogs (use a small ball to attract dogs to take selfies). 13. It was a self-made small device that could control the flow of water in three ways. 14. Smart sockets were widely used in the 5G era. 15. A floating potted plant developed by a Japanese company. 16. It was used for the operation of the rubber pipe for the sewing work (the mouth of the rubber pipe was the same width as the gap, mixed, the front part was not needed, scraped open after applying the sewing agent, and shoveled away the next day). 17. Small inventions related to the realization of students 'creative ideas outside the classroom (from the book Student's Extra-cursory Interesting and Practicable Small inventions). 18. A balcony-like device that can be opened when there is no balcony. 19. A chair that would reduce the need for children to be carried. 20. A mattress to avoid getting numb while sleeping in each other's arms. 21. An umbrella that changed when it came into contact with water. 22. It was a tint that tested one's color sensitivity. 23. A lamp shaped like the moon. 24. An oak bottle that improves the taste of wine. 25. It was a waterproof lamp bag that was convenient for outdoor use. 26. A unique egg-shaped map. 27. A timer that increases self-control. 28. A simple and beautiful chair. 29. A small ball to help take selfies with dogs. 30. Self-made flow-control drinking device (three ways of draining water: squeezing the bottle by hand, twisting the lid, and controlling the depth of the straw). "A Short History of the Future: Legends of the Intelligent Era" was equally exciting. Everyone was welcome to click and read it!

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Here are some examples of the 100 inventions that changed the world: - ** Ancient China invention **: - ** Drum **: In 3500 B.C., the China already had man-made drums. In 3000 B.C., there was a specific method of making drums. In 1980, the remains of related drums were unearthed in Taosi Village, Xiangfen, Shanxi Province. - ** Binary-System **: Legend has it that Fuxi invented it in 3000 B.C., and the ancient China Book of Changes used the binary-system to calculate. - ** Rope **: In 2800 B.C., the China mastered the technology to create hemp rope. - [Compass: Legend has it that it was invented by Emperor Huang Xuanyuan in 2700 B.C.] - ** printing technique **: In 1324 B.C., the China already knew how to carve seals for printing documents. In the 1040s, Bi Sheng of the Northern Song Dynasty invented movable type printing. In 1107, the China invented color printing. - " Other countries 'inventions ": For example, a British magazine voted for the 100 greatest inventions in human history, including computers, airplanes, electric lights, printing, wheels, etc. The toilet was ranked first in the poll. These inventions played a huge role in the development of human civilization. For example, printing changed the way information was transmitted, and the compass provided directions for navigation. The novel " Hundred Years of Spaceship " is equally exciting. Everyone is welcome to click and read it!

There was a book published by the Jiangsu Children's and Youth Press in 2003 called " 1000 Greatest inventions and discoveries," but the reference did not explicitly mention the specific content of the 1000 inventions and discoveries in the book. Some of the great inventions and discoveries could be found in other reference materials, such as Liszt's invention of antiseptic, the discovery of a new form of pulsar radiation by China's Sky Eye, the discovery of sugar, superglue, plasticine, microwave, cardiac pacemakers, X-ray, and the discovery of PVP. However, these were only a small part of the great inventions and discoveries. The novel " Hundred Years of Spaceship " is equally exciting. Everyone is welcome to click and read it!