19th Century
Holography, Part Three
A Simple Dual Beam Setup We’ve got our film, developer and a safety lamp. Now we need a holographic camera. Well, not exactly a camera. You can’t take a picture of rolling hills or a [more…]
Mathematics
Mathematics
On Punctuation!
Apparently, some subset of younger people are upset and intimidated about the use of full stops in text and other messages. I am not sure what they would think about the ellipsis, … , or [more…]
19th Century
Holography, Part Two
A Holographic Camera Standard photography uses a lens system to focus an image onto a film or an electronic sensor. If you recall from part one, Dennis Gabor had a problem with his electron microscope’s [more…]
19th Century
Holography, Part One
Introduction To the Looking-Glass world it was Alice that said, “I’ve a sceptre in hand, I’ve a crown on my head. Let the Looking-Glass creatures, whatever they be Come dine with the Red Queen, the [more…]
Mathematics
Fake Data Qui Bono
My final article in my wee trilogy on data interpretation I examine who benefits from the manipulation of state data. It is usually sound policy when investigating the often bizarre antics of the state to [more…]
Mathematics
Some More Head Scratching Data
Apologies for returning to Covid-19 for examples of data oddities. But the situation coughs up, pardon the phrase, more anomalies every day. If Boris had read statistics not classics he would have spotted them. I [more…]
Mathematics
Data Interpretation, How the State & MSM Mislead You
Many years ago part of my professional exams included data interpretation, I studied further as my research role expanded to include pension fund management & mortality statistics. I particularly enjoyed distance learning with Austin University, [more…]
20th Century
Happy Birthday, Ruby!
Above photo: My ruby laser with a ‘mirror alignment laser’ just off to the right hand side of the photo. A small amount of smoke in the air makes the alignment laser-beam visible. In the [more…]
Mathematics
Of Planets and fairground rides, Part Two
In previous parts we have covered the basics of Newtonian mechanics, there is a lot more here but the basics provide enough to at least start to use this sort of stuff. So lets have [more…]