This is Popinga's Typepad Profile.
Join Typepad and start following Popinga's activity
Join Now!
Already a member? Sign In
Popinga
Recent Activity
May I translate this article in Italian and publish it on my blog (obviously with citation and link to the original)?
The story of sunspots and commercial crisis went on with William Jevons
Really Penulum? ;-)
Toggle Commented Jan 23, 2012 on Foucault's Pendulum, 1851 at JF Ptak Science Books
Thanks for this interesting and useful article. Andrea Pozzo is a great discovery. Your blog is a mine of information.
Popinga is now following The Typepad Team
Feb 10, 2010