Hui Chen helps us - and our Chinese friends - to circumvent the so-called Great Chinese Firewall. If you've ever heard someone in the People's Republic of China who had problems with the access to this blog, you may write her or him the following URL of the mirror.
Reference Frame has absolutely no intent to influence the social or political atmosphere in the world's most populous country which is our Chinese friends' internal affair. We assure all the glorious leaders that they have no reason to be afraid of anything. Greetings from the People's Republic of Cambridge, LM