You may already know Jon from his Guardian blog Life & Physics.

Another fascinating debate, of a far higher standard than in most Guardian blogs.

I think that was the thrust of my first ever Guardian blog three years ago.

I've mentioned this on another Guardian blog and got seriously flamed.

This approach would deal with the main problem with the Guardian blog which is the huge number of ill-informed, prejudiced and pointless comments made.

For someone wanting to read informed and sensible comments, particularly about politics, the Guardian blog is an almost complete waste of time.

Rightly so, The Guardian blog starts out with a salutation that is a wish: "Good morning."

And last but not least, my Guardian blog has been retweeted more than 270 times today.

Is this really a Guardian blog?

I don't have enough time for all these great games and post something worth reading on the Guardian blog.