qwezxcrty

18 ms·

1. 181.▲
   by qwezxcrty 4y ago

   Such techniques are also implemented in Chinese national rail and virtually every subway system (which is now arguably the most complex on the world albeit suffering from under-educated employees). It certainly have some merits. I also pers
2. 182.▲
   by qwezxcrty 5y ago

   But the real China is full of capitalism and consumerism. Unfortunately, there is no place for communist in this world.
3. 183.▲
   by qwezxcrty 5y ago

   Based in my knowledge as a public transportation enthusiastist in China, I got really surprised to see a IT problem bring the entire system down. There should usually be some "more manual" backup mechanism that allows downgrade an
4. 184.▲
   by qwezxcrty 5y ago

   In physics experiments, applying some dithering and demodulate to generate a error signal zeroing at zero derivative is a standard technique.
5. 185.▲
   by qwezxcrty 5y ago

   Gold can be readily etched with some iodine chemistry. But in this application, it's going to be hard to justify the higher cost.
6. 186.▲
   by qwezxcrty 5y ago

   I'm Chinese and this comment aligns exactly with my experience. Please don't take every word from people in Chinese mainland to be dictated by the Party. The big brother would get too busy arresting everyone being outspoken.
7. 187.▲
   by qwezxcrty 5y ago

   Very nice paper in terms of science, but the title of the news sounds like a click bait. This is a very specific effect only happens when you having laser cooled atoms/molecules so you can manipulate their quantum states, otherwise the