Archives for July 2008

Episode24:Telescopes before Galileo? Part 2

Chris Lord  of Blackpool & District Astronomical Society continues the story of the telescope leading up to its use by Galileo for astronomical observations. Ibn Sahl and Ibn al-Haythem were two scholars who during the 10th and 11th century developed the fundemental mathematical principles of refraction, reflection and dispersion and kick started the science of […]

Episode23:Telescopes before Galileo? Part 1

Hans Lipperhey’s patent application in the Netherlands for a telescope was formally denied on 2nd October 1608. Nonetheless, it is that individual, that place and that date which history associates with the invention of the telescope. Most of us are aware of the fundamental astronomical discoveries Galileo went on to make with it in the […]

Temporary upload problem

Just over a week ago, WordPress 2.6 was released. I updated and everything was working fine. I have run in to a problem when I attempted to upload episode 23. It turns out that the plugin I use for this – called Podpress, is not compatible with Worpress 2.6. For existing episodes its fine but […]


Something different. If you are even only a tiny bit of a techie, you will be aware of the huge impact of WordPress – the open source blogging platform, is having in the online community worldwide. Indeed, AstrotalkUK runs on WordPress. From time to time,  the WordPress community gets together for a day or two […]

Episode22:Interstellar Dust

As episode 21 indicated, the power of science fiction to motivate the imagination is perhaps as strong as science itself. 1957 is known for the launch of Sputnik but it was also the year that the scientist Fred Hoyle published a science fiction novel called The Black Cloud. One of its readers in Italy would […]