How did the ancients refrigerate? This type of air conditioning is more energy-efficient!
Summer has come, and it is the season to eat barbecue and drink beer. We often see diners blowing air conditioners, drinking beer and feasting on Market stall...
What is the current carrying capacity of 1, 1.5, 2.5, 4, and 6 square meters of wires? How much power can it carry? Knowledge expansion
Recently, many beginners in electrical engineering have left messages asking: What is the safe current carrying capacity of wires? How much power can commonly used wires carry for electrical appliances? So today we will focus on the safe current carrying capacity of commonly used wires in household circuits!The commonly used wire specifications for home circuits include: 1, 1.5, 2...
9 years after Malaysia Airlines lost contact, how are the families who refused to pay 2.52 million yuan in compensation doing
In 2014, Li Yanlin, a young man from Hebei, was sent by ZTE Company to Malaysia on a business trip.At 0:41 a...
How many kilowatt hours of electricity can a windmill with a cost of millions of yuan generate in one day? Can you make money by converting it into electricity bills?
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How many top scientists in the world compete in a major competition, with 294 in Japan and 2632 in the United States, and how many in China?
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How does the "Crystal ball" buried 700 meters underground capture the magic Neutrino? Ask to the end
Source: CCTV News ClientEvery moment, our bodies are penetrated by tens of thousands of 'invisible substances', yet we are completely unaware of their existence. These "stealth matter" is one of the most basic particles in the material world: Neutrino...
How many do you know of the 11 "high-tech" that have retired from history?
Technology is constantly changing and developing rapidly. For ordinary people, the most intuitive thing is the electronic products they interact with every day...
The railway overlord in the United States uses Internal combustion locomotive, but China's high-speed railway uses electricity. How is the difference?
Before reading this article, please click on "Follow" to facilitate discussion and sharing with you, and also to watch the next exciting article in a timely manner. Thank you very much for your attentionElectric powered trains in China,Especially the amazing high-speed railway, known as one of China's "Four new inventions", tells the story of China's speed every time a train leaves the platform...
How many people are there in China by 2050? The United Nations has made predictions, and the answer is unimaginable
Article | Guo YuzheEditor | DaewoofollowIt is always said that our country has a large population, and people may not have this understanding in their daily lives because everyone is in a dispersed state and moves within their comfort zone.And during holidays, I truly realized how many people there are in China...
How scary is the "expiration and retirement" of cable TV?
As of December 2022, the number of cable TV users in China has dropped to 200 million. Since 2016, the number of cable TV users nationwide has continued to decline...
How big will the C929 aircraft be? Compared to the C919, it's clear that it's the big plane
How big will the C929 aircraft be? Compared to the C919, it's clear that it's the big planeCurrently, in the Chinese civil aviation market, Boeing from the United States and Airbus from Europe dominate. These two aviation giants have divided up 98...
Yao Ting, a genius born in the 1990s in Hunan: Just graduated and was signed by Huawei with an annual salary of 1.56 million yuan. How amazing is it
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