In 1867, British scientist Kelvin invented a device for generating very high voltage, which was later called the Kelvin dripping generator. The structure of the Kelvin dripping generator is quite sim
Today, I will show you the disassembly of the FA2100 cockpit voice recorder. Let me first explain the background. I found it at a garbage dump. I disassembled it for research purposes to see the inter
In this world where "sing when you win and stop when you lose"
The season of "going to ICU without air conditioning"
Air conditioning has an unprecedented status among the people!As a leading global s