johnLee

Global sea level rise: Due to global warming, the global sea level has risen by 10-20 cm in the past 100 years. If the sea level rises by more than 1 meter, some island countries, such as the Maldives, will be submerged. In its 2007 report, the IPCC predicted that the global sea level will rise by 18-59 cm by 2100. Frequent extreme weather events : Global warming has increased precipitation in continental regions, especially in mid- and high-latitude regions, and decreased precipitation in some regions such as Africa. Increased frequency and intensity of extreme weather and climate events (El Niño, drought, floods, thunderstorms, hail, storms, high temperature weather, sandstorms, etc.) Melting glaciers at the poles: Regional warming in the Arctic is one to three times higher than the global average. Scientists predict that as early as 2030, the Arctic Ocean will usher in its first ice-free summer. The same situation happened in Antarctica. If all the polar ice caps melt away, it will ...

 Speaking of smart watches, it has received widespread attention in recent years. From brands such as Samsung, Apple, and Sony, to brands such as Huawei and Xiaomi. All target this market! But what is the world's first smartwatch?     What is the world's first smart watch? Casio F-91W is definitely one of the alternative answers. The watch released 25 years ago with a battery life of up to 7 years still has many advantages to learn from.     This once ubiquitous watch fully deserves the title of "smart watch". Today, our most basic requirement for smart watches is nothing more than the ability to push information and notifications on the mobile phone, which can display a variety of dials and have strong battery life. Look at the F-91W of the "Ancient Era", except that it cannot push information Notice, all other aspects meet the requirements. Casio F-91W was released in 1991. In that year, the world's first GSM digital network appeared. Smart phones were...

Use personal experience to talk about your views on watch automatic winding box (watch shaker) I used to like to wear quartz watches. I feel that it is accurate and light. Since I love the watch family, I have gradually fallen in love with mechanical watches. I finally bought a plum 787s-307 in March this year. I have worn it for more than 4 months now. The overall feeling is very good. Well, the only downside is that every weekend and holiday, I’m resting at home. I find it troublesome to put it on (I always do housework at home, hehe!). I’m afraid of stopping when I don’t wear it, and I’ve been struggling. Last week I accidentally saw an automatic watch winding box (watch shaker) on the Internet, but I don’t know if it is useful. I posted a consultation on the forum. Everyone’s opinions were different, but most of my watch friends thought it was useless. . I checked on TB and found that the price of meter shakers is very high, generally ranging from 5 to 600 yuan to several thousand ...