After a full restoration, it’s time for the final assembly and first test. Watch this old metal sheet cutter come back to life and perform like it once did. #MetalRestoration #ToolRestoration ...

Gold is one of the world’s most popular safe haven assets, with investors often pouring their money into it during times of turmoil. Test your knowledge of the yellow metal in our quiz. Many investors ...

Abstract: The design and cold test verification for a 220-GHz sheet beam traveling-wave tube (SB-TWT) are presented in this article. Although there are numerous studies regarding the design and ...

There are four levels to play, each divided into three stages. You start by learning the home row keys. Each stage builds on previous lessons, introducing new letters as you progress and giving you ...

With countless CBD brands on the market today, you may be wondering where to begin. We did the research so you can make an informed decision on your next CBD purchase. Here, we share our picks of the ...

Abstract: Some foreign bodies can not be found by ultrasonic partial discharge test in traditional field rising voltage AC withstand voltage test, which seriously affects the quality of combined ...