20th Century
Science
Health
Don’t worry – be happy
I was encouraged to write this article by Teggers Play Pop and Foxoles (I think) following a comment I made on GP some months ago. I can’t recall exactly what I said but it was [more…]
Computing
Nothing is Beyond Our Reach
During a presidential debate, a little old lady, her grey hair in a bun, asks, “Name the three most important Space Race countries”. Sleepy-creepy Jo Biden, from his basement and with the benefit of voice [more…]
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…]
Computing
How to replace a broken laptop screen
Introduction I suppose I’ve always considered myself to be pretty practical and over the years I’ve rebuilt car and motorbike engines and done all my own servicing and repairs saving a fortune in the process. [more…]
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…]
Authoritarianism
What have they done?
I generally hate supermarkets. Memories of being dragged by my neurotic mother, quite probably screaming, around the shops as a dysfunctional, short-sighted and asthmatic child probably doesn’t help much. While most people focus on the [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…]
20th Century
Car Review: Renault Type AI Sport CT
It was after the third accident in the pony trap going down Pitsford Hill that my wife said to me, ‘We really ought to buy a motor car. After all, this is 1910 and we [more…]