Tuesday roundabout

Mr Eugenides presents this week's Britblog Roundup.

Boingboing: British Police tell photographer it's unlawful to take photos in public (again).

Norman Geras has a post about the term 'post-left'.

Another example of how not to measure temperature at Watts Up With That.

There's a postcard from David Adesnik at Oxblog.

And finally,

Science Punk: Building a Jet Powered Beer Cooler.