/p> City labs has been studying the related applications of nuclear batteries. The company’s research director Larry Olsen designed the nuclear battery Betacel based on the promethium-147 element in the 1970s for use in pacemakers. But the problem with promethium-147 is that although it also belongs to beta decay, it will also release strong radiation gamma rays during the decay process, so Betacel needs to make a lot of space.. Read More
Ghost policeman and ghost bodyguard
When Li Quan’s family first moved to Longsheng Garden, they saw that the security guards in the yard looked like wicked eyes, and they felt that there was something wrong here. Within a few days, I heard from my neighbor that Liu, the leader of the preparatory group of the property committee in the community, was beaten to death. Lao Liu’s family went to the court to sue Yuan Fei,.. Read More
Silicon Valley’s top VC voices again: Solve the AI commercialization dilemma? Tame this long tail first
The problems of chatbots vary greatly from customer to customer, that is, most of the problems are at the end, so building an accurate system is likely to require a lot of work for each customer. Unfortunately, depending on the solution distribution, these payments and related sales costs may be difficult to reduce through careful design. To make matters worse, artificial intelligence companies facing long tail problems will actually experience.. Read More
With ghosts
(1) In the early winter morning, the north wind was bitingly cold. It was almost six o’clock, and people were talking from time to time near the bus station beside the highway outside the village, but no one knew how many people were waiting for the bus, because there was no light and it was too dark. Zheng Youzhi, who was curled up in his coat, stomped his somewhat numb.. Read More
The hutongs in Beijing are all the same, it’s too tasteless
This article is from WeChat official account: nine rows (ID: jiuxing_neweekly) , Author: Zhou Zhiruo
Female ghost murder case
In a dimly lit room, Wang Li was playing with a dazzling diamond ring. At this moment the door opened, and a black figure stood in front of Wang Li, raising his axe and slashing towards Wang Li. In the evening, the shadow threw Wang Li’s body into the river. Three years later, Lin Xiao took a tomato in his hand and watched this file tease with the old detective… Read More
High-tech map launches hotel price comparison, is the map navigation compatible with the hotel industry?
Only users can search based on hotels, get many hotel POI information, and perform hotel reservation services to meet the needs of users in hotel scenarios; the OTA platform and AutoNavi map itself also use all other searches to form a database, and form users through data analysis Portraits, smart recommendations, and strengthen conversion, so that AutoNavi Maps, OTA platforms, hotels, and users can benefit together. “ What AutoNavi Map.. Read More
Ghost Town Escape
Some gloomy. At this time I was tired, hungry and thirsty, so I stopped to rest for a while. At this moment, two ghosts came out of the castle. I couldn’t dodge and was caught by both of them. The two of them said: “We have been notified by a nearby ghost ministry several times, saying that a ghost worker pulling a stone ran away. You are wearing the same.. Read More
The midfield battles of China’s six major TV drama companies (Part 2)
This article is from WeChat official account: Guduo network television (ID: guduowlj) , of: flying fish, Part I: The midfield battles of China’s six major TV drama companies ( Top), the source of the head picture: “You Fei” In 2020, the black swans of the epidemic will sweep the world, and many fields are experiencing unprecedented changes, and the film and television industry is no exception. The number of film.. Read More
Night watch
It has been 21 hours since sitting on this train. I went to my hometown in the Northeast for funerals from the warm northern city. It has been 20 years since I returned to my hometown. There are no close relatives there, except for my uncle, who is now dead. I got on this northbound train just to help my cousin who I never met to hold a decent funeral.. Read More